Chart, AS568
AS568 Sizes in Millimeters
The AS568 inch sizes with inside diameter and cross-section converted to millimeters, including the tube fitting boss sizes.
These are AS568 inch sizes with their millimeter equivalents, not ISO 3601-1 metric sizes. For true metric sizes, see metric O-rings.
| Size | Nominal Size (inches) | Standard Size (inches) | Converted size (millimeters) | |||
|---|---|---|---|---|---|---|
| ID (Inside Diameter) | Width | ID (Inside Diameter) | Width | ID (Inside Diameter) | Width | |
| AS568-001 | 1/32 | 1/32 | 0.029 | 0.04 | 0.74 | 1.02 |
| AS568-002 | 3/64 | 3/64 | 0.042 | 0.05 | 1.07 | 1.27 |
| AS568-003 | 1/16 | 1/16 | 0.056 | 0.06 | 1.42 | 1.52 |
| AS568-004 | 5/64 | 1/16 | 0.07 | 0.07 | 1.78 | 1.78 |
| AS568-005 | 3/32 | 1/16 | 0.101 | 0.07 | 2.57 | 1.78 |
| AS568-006 | 1/8 | 1/16 | 0.114 | 0.07 | 2.9 | 1.78 |
| AS568-007 | 5/32 | 1/16 | 0.145 | 0.07 | 3.68 | 1.78 |
| AS568-008 | 3/16 | 1/16 | 0.176 | 0.07 | 4.47 | 1.78 |
| AS568-009 | 7/32 | 1/16 | 0.208 | 0.07 | 5.28 | 1.78 |
| AS568-010 | 1/4 | 1/16 | 0.239 | 0.07 | 6.07 | 1.78 |
| AS568-011 | 5/16 | 1/16 | 0.301 | 0.07 | 7.65 | 1.78 |
| AS568-012 | 3/8 | 1/16 | 0.364 | 0.07 | 9.25 | 1.78 |
| AS568-013 | 7/16 | 1/16 | 0.426 | 0.07 | 10.82 | 1.78 |
| AS568-014 | 1/2 | 1/16 | 0.489 | 0.07 | 12.42 | 1.78 |
| AS568-015 | 9/16 | 1/16 | 0.551 | 0.07 | 14 | 1.78 |
| AS568-016 | 5/8 | 1/16 | 0.614 | 0.07 | 15.6 | 1.78 |
| AS568-017 | 11/16 | 1/16 | 0.676 | 0.07 | 17.17 | 1.78 |
| AS568-018 | 3/4 | 1/16 | 0.739 | 0.07 | 18.77 | 1.78 |
| AS568-019 | 13/16 | 1/16 | 0.801 | 0.07 | 20.35 | 1.78 |
| AS568-020 | 7/8 | 1/16 | 0.864 | 0.07 | 21.95 | 1.78 |
| AS568-021 | 15/16 | 1/16 | 0.926 | 0.07 | 23.52 | 1.78 |
| AS568-022 | 1 | 1/16 | 0.989 | 0.07 | 25.12 | 1.78 |
| AS568-023 | 1 1/16 | 1/16 | 1.051 | 0.07 | 26.7 | 1.78 |
| AS568-024 | 1 1/8 | 1/16 | 1.114 | 0.07 | 28.3 | 1.78 |
| AS568-025 | 1 3/16 | 1/16 | 1.176 | 0.07 | 29.87 | 1.78 |
| AS568-026 | 1 1/4 | 1/16 | 1.239 | 0.07 | 31.47 | 1.78 |
| AS568-027 | 1 5/16 | 1/16 | 1.301 | 0.07 | 33.05 | 1.78 |
| AS568-028 | 1 3/8 | 1/16 | 1.364 | 0.07 | 34.65 | 1.78 |
| AS568-029 | 1 1/2 | 1/16 | 1.489 | 0.07 | 37.82 | 1.78 |
| AS568-030 | 1 5/8 | 1/16 | 1.614 | 0.07 | 41 | 1.78 |
| AS568-031 | 1 3/4 | 1/16 | 1.739 | 0.07 | 44.17 | 1.78 |
| AS568-032 | 1 7/8 | 1/16 | 1.864 | 0.07 | 47.35 | 1.78 |
| AS568-033 | 2 | 1/16 | 1.989 | 0.07 | 50.52 | 1.78 |
| AS568-034 | 2 1/8 | 1/16 | 2.114 | 0.07 | 53.7 | 1.78 |
| AS568-035 | 2 1/4 | 1/16 | 2.239 | 0.07 | 56.87 | 1.78 |
| AS568-036 | 2 3/8 | 1/16 | 2.364 | 0.07 | 60.05 | 1.78 |
| AS568-037 | 2 1/2 | 1/16 | 2.489 | 0.07 | 63.22 | 1.78 |
| AS568-038 | 2 5/8 | 1/16 | 2.614 | 0.07 | 66.4 | 1.78 |
| AS568-039 | 2 3/4 | 1/16 | 2.739 | 0.07 | 69.57 | 1.78 |
| AS568-040 | 2 7/8 | 1/16 | 2.864 | 0.07 | 72.75 | 1.78 |
| AS568-041 | 3 | 1/16 | 2.989 | 0.07 | 75.92 | 1.78 |
| AS568-042 | 3 1/4 | 1/16 | 3.239 | 0.07 | 82.27 | 1.78 |
| AS568-043 | 3 1/2 | 1/16 | 3.489 | 0.07 | 88.62 | 1.78 |
| AS568-044 | 3 3/4 | 1/16 | 3.739 | 0.07 | 94.97 | 1.78 |
| AS568-045 | 4 | 1/16 | 3.989 | 0.07 | 101.32 | 1.78 |
| AS568-046 | 4 1/4 | 1/16 | 4.239 | 0.07 | 107.67 | 1.78 |
| AS568-047 | 4 1/2 | 1/16 | 4.489 | 0.07 | 114.02 | 1.78 |
| AS568-048 | 4 3/4 | 1/16 | 4.739 | 0.07 | 120.37 | 1.78 |
| AS568-049 | 5 | 1/16 | 4.989 | 0.07 | 126.72 | 1.78 |
| AS568-050 | 5 1/4 | 1/16 | 5.239 | 0.07 | 133.07 | 1.78 |
| AS568-102 | 1/16 | 3/32 | 0.049 | 0.103 | 1.24 | 2.62 |
| AS568-103 | 3/32 | 3/32 | 0.081 | 0.103 | 2.06 | 2.62 |
| AS568-104 | 1/8 | 3/32 | 0.112 | 0.103 | 2.84 | 2.62 |
| AS568-105 | 5/32 | 3/32 | 0.143 | 0.103 | 3.63 | 2.62 |
| AS568-106 | 3/16 | 3/32 | 0.174 | 0.103 | 4.42 | 2.62 |
| AS568-107 | 7/32 | 3/32 | 0.206 | 0.103 | 5.23 | 2.62 |
| AS568-108 | 1/4 | 3/32 | 0.237 | 0.103 | 6.02 | 2.62 |
| AS568-109 | 5/16 | 3/32 | 0.299 | 0.103 | 7.59 | 2.62 |
| AS568-110 | 3/8 | 3/32 | 0.362 | 0.103 | 9.19 | 2.62 |
| AS568-111 | 7/16 | 3/32 | 0.424 | 0.103 | 10.77 | 2.62 |
| AS568-112 | 1/2 | 3/32 | 0.487 | 0.103 | 12.37 | 2.62 |
| AS568-113 | 9/16 | 3/32 | 0.549 | 0.103 | 13.94 | 2.62 |
| AS568-114 | 5/8 | 3/32 | 0.612 | 0.103 | 15.54 | 2.62 |
| AS568-115 | 11/16 | 3/32 | 0.674 | 0.103 | 17.12 | 2.62 |
| AS568-116 | 3/4 | 3/32 | 0.737 | 0.103 | 18.72 | 2.62 |
| AS568-117 | 13/16 | 3/32 | 0.799 | 0.103 | 20.29 | 2.62 |
| AS568-118 | 7/8 | 3/32 | 0.862 | 0.103 | 21.89 | 2.62 |
| AS568-119 | 15/16 | 3/32 | 0.924 | 0.103 | 23.47 | 2.62 |
| 2 -120 | 1 | 3/32 | 0.987 | 0.103 | 25.07 | 2.62 |
| AS568-121 | 1 1/16 | 3/32 | 1.049 | 0.103 | 26.64 | 2.62 |
| AS568-122 | 1 1/8 | 3/32 | 1.112 | 0.103 | 28.24 | 2.62 |
| AS568-123 | 1 3/16 | 3/32 | 1.174 | 0.103 | 29.82 | 2.62 |
| AS568-124 | 1 1/4 | 3/32 | 1.237 | 0.103 | 31.42 | 2.62 |
| AS568-125 | 1 5/16 | 3/32 | 1.299 | 0.103 | 32.99 | 2.62 |
| AS568-126 | 1 3/8 | 3/32 | 1.362 | 0.103 | 34.59 | 2.62 |
| AS568-127 | 1 7/16 | 3/32 | 1.424 | 0.103 | 36.17 | 2.62 |
| AS568-128 | 1 1/2 | 3/32 | 1.487 | 0.103 | 37.77 | 2.62 |
| AS568-129 | 1 9/16 | 3/32 | 1.549 | 0.103 | 39.34 | 2.62 |
| AS568-130 | 1 5/8 | 3/32 | 1.612 | 0.103 | 40.94 | 2.62 |
| AS568-131 | 1 11/16 | 3/32 | 1.674 | 0.103 | 42.52 | 2.62 |
| AS568-132 | 1 3/4 | 3/32 | 1.737 | 0.103 | 44.12 | 2.62 |
| AS568-133 | 1 13/16 | 3/32 | 1.799 | 0.103 | 45.69 | 2.62 |
| AS568-134 | 1 7/8 | 3/32 | 1.862 | 0.103 | 47.29 | 2.62 |
| AS568-135 | 1 15/16 | 3/32 | 1.925 | 0.103 | 48.9 | 2.62 |
| AS568-136 | 2 | 3/32 | 1.987 | 0.103 | 50.47 | 2.62 |
| AS568-137 | 2 1/16 | 3/32 | 2.05 | 0.103 | 52.07 | 2.62 |
| AS568-138 | 2 1/8 | 3/32 | 2.112 | 0.103 | 53.64 | 2.62 |
| AS568-139 | 2 3/16 | 3/32 | 2.175 | 0.103 | 55.25 | 2.62 |
| AS568-140 | 2 1/4 | 3/32 | 2.237 | 0.103 | 56.82 | 2.62 |
| AS568-141 | 2 5/16 | 3/32 | 2.3 | 0.103 | 58.42 | 2.62 |
| AS568-142 | 2 3/8 | 3/32 | 2.362 | 0.103 | 59.99 | 2.62 |
| AS568-143 | 2 7/16 | 3/32 | 2.425 | 0.103 | 61.6 | 2.62 |
| AS568-144 | 2 1/2 | 3/32 | 2.487 | 0.103 | 63.17 | 2.62 |
| AS568-145 | 2 9/16 | 3/32 | 2.55 | 0.103 | 64.77 | 2.62 |
| AS568-146 | 2 5/8 | 3/32 | 2.612 | 0.103 | 66.34 | 2.62 |
| AS568-147 | 2 11/16 | 3/32 | 2.675 | 0.103 | 67.95 | 2.62 |
| AS568-148 | 2 3/4 | 3/32 | 2.737 | 0.103 | 69.52 | 2.62 |
| AS568-149 | 2 13/16 | 3/32 | 2.8 | 0.103 | 71.12 | 2.62 |
| AS568-150 | 2 7/8 | 3/32 | 2.862 | 0.103 | 72.69 | 2.62 |
| AS568-151 | 3 | 3/32 | 2.987 | 0.103 | 75.87 | 2.62 |
| AS568-152 | 3 1/4 | 3/32 | 3.237 | 0.103 | 82.22 | 2.62 |
| AS568-153 | 3 1/2 | 3/32 | 3.487 | 0.103 | 88.57 | 2.62 |
| AS568-154 | 3 3/4 | 3/32 | 3.737 | 0.103 | 94.92 | 2.62 |
| AS568-155 | 4 | 3/32 | 3.987 | 0.103 | 101.27 | 2.62 |
| AS568-156 | 4 1/4 | 3/32 | 4.237 | 0.103 | 107.62 | 2.62 |
| AS568-157 | 4 1/2 | 3/32 | 4.487 | 0.103 | 113.97 | 2.62 |
| AS568-158 | 4 3/4 | 3/32 | 4.737 | 0.103 | 120.32 | 2.62 |
| AS568-159 | 5 | 3/32 | 4.987 | 0.103 | 126.67 | 2.62 |
| AS568-160 | 5 1/4 | 3/32 | 5.237 | 0.103 | 133.02 | 2.62 |
| AS568-161 | 5 1/2 | 3/32 | 5.487 | 0.103 | 139.37 | 2.62 |
| AS568-162 | 5 3/4 | 3/32 | 5.737 | 0.103 | 145.72 | 2.62 |
| AS568-163 | 6 | 3/32 | 5.987 | 0.103 | 152.07 | 2.62 |
| AS568-164 | 6 1/4 | 3/32 | 6.237 | 0.103 | 158.42 | 2.62 |
| AS568-165 | 6 1/2 | 3/32 | 6.487 | 0.103 | 164.77 | 2.62 |
| AS568-166 | 6 3/4 | 3/32 | 6.737 | 0.103 | 171.12 | 2.62 |
| AS568-167 | 7 | 3/32 | 6.987 | 0.103 | 177.47 | 2.62 |
| AS568-168 | 7 1/4 | 3/32 | 7.237 | 0.103 | 183.82 | 2.62 |
| AS568-169 | 7 1/2 | 3/32 | 7.487 | 0.103 | 190.17 | 2.62 |
| AS568-170 | 7 3/4 | 3/32 | 7.737 | 0.103 | 196.52 | 2.62 |
| AS568-171 | 8 | 3/32 | 7.987 | 0.103 | 202.87 | 2.62 |
| AS568-172 | 8 1/4 | 3/32 | 8.237 | 0.103 | 209.22 | 2.62 |
| AS568-173 | 8 1/2 | 3/32 | 8.487 | 0.103 | 215.57 | 2.62 |
| AS568-174 | 8 3/4 | 3/32 | 8.737 | 0.103 | 221.92 | 2.62 |
| AS568-175 | 9 | 3/32 | 8.987 | 0.103 | 228.27 | 2.62 |
| AS568-176 | 9 1/4 | 3/32 | 9.237 | 0.103 | 234.62 | 2.62 |
| AS568-177 | 9 1/2 | 3/32 | 9.487 | 0.103 | 240.97 | 2.62 |
| AS568-178 | 9 3/4 | 3/32 | 9.737 | 0.103 | 247.32 | 2.62 |
| AS568-201 | 3/16 | 1/8 | 0.171 | 0.139 | 4.34 | 3.53 |
| AS568-202 | 1/4 | 1/8 | 0.234 | 0.139 | 5.94 | 3.53 |
| AS568-203 | 5/16 | 1/8 | 0.296 | 0.139 | 7.52 | 3.53 |
| AS568-204 | 3/8 | 1/8 | 0.359 | 0.139 | 9.12 | 3.53 |
| AS568-205 | 7/16 | 1/8 | 0.421 | 0.139 | 10.69 | 3.53 |
| AS568-206 | 1/2 | 1/8 | 0.484 | 0.139 | 12.29 | 3.53 |
| AS568-207 | 9/16 | 1/8 | 0.546 | 0.139 | 13.87 | 3.53 |
| AS568-208 | 5/8 | 1/8 | 0.609 | 0.139 | 15.47 | 3.53 |
| AS568-209 | 11/16 | 1/8 | 0.671 | 0.139 | 17.04 | 3.53 |
| AS568-210 | 3/4 | 1/8 | 0.734 | 0.139 | 18.64 | 3.53 |
| AS568-211 | 13/16 | 1/8 | 0.796 | 0.139 | 20.22 | 3.53 |
| AS568-212 | 7/8 | 1/8 | 0.859 | 0.139 | 21.82 | 3.53 |
| AS568-213 | 15/16 | 1/8 | 0.921 | 0.139 | 23.39 | 3.53 |
| AS568-214 | 1 | 1/8 | 0.984 | 0.139 | 24.99 | 3.53 |
| AS568-215 | 1 1/16 | 1/8 | 1.046 | 0.139 | 26.57 | 3.53 |
| AS568-216 | 1 1/8 | 1/8 | 1.109 | 0.139 | 28.17 | 3.53 |
| AS568-217 | 1 3/16 | 1/8 | 1.171 | 0.139 | 29.74 | 3.53 |
| AS568-218 | 1 1/4 | 1/8 | 1.234 | 0.139 | 31.34 | 3.53 |
| AS568-219 | 1 5/16 | 1/8 | 1.296 | 0.139 | 32.92 | 3.53 |
| AS568-220 | 1 3/8 | 1/8 | 1.359 | 0.139 | 34.52 | 3.53 |
| AS568-221 | 1 7/16 | 1/8 | 1.421 | 0.139 | 36.09 | 3.53 |
| AS568-222 | 1 1/2 | 1/8 | 1.484 | 0.139 | 37.69 | 3.53 |
| AS568-223 | 1 5/8 | 1/8 | 1.609 | 0.139 | 40.87 | 3.53 |
| AS568-224 | 1 3/4 | 1/8 | 1.734 | 0.139 | 44.04 | 3.53 |
| AS568-225 | 1 7/8 | 1/8 | 1.859 | 0.139 | 47.22 | 3.53 |
| AS568-226 | 2 | 1/8 | 1.984 | 0.139 | 50.39 | 3.53 |
| AS568-227 | 2 1/16 | 1/8 | 2.109 | 0.139 | 53.57 | 3.53 |
| AS568-228 | 2 1/4 | 1/8 | 2.234 | 0.139 | 56.74 | 3.53 |
| AS568-229 | 2 3/8 | 1/8 | 2.359 | 0.139 | 59.92 | 3.53 |
| AS568-230 | 2 1/2 | 1/8 | 2.484 | 0.139 | 63.09 | 3.53 |
| AS568-231 | 2 5/8 | 1/8 | 2.609 | 0.139 | 66.27 | 3.53 |
| AS568-232 | 2 3/4 | 1/8 | 2.734 | 0.139 | 69.44 | 3.53 |
| AS568-233 | 2 7/8 | 1/8 | 2.859 | 0.139 | 72.62 | 3.53 |
| AS568-234 | 3 | 1/8 | 2.984 | 0.139 | 75.79 | 3.53 |
| AS568-235 | 3 1/8 | 1/8 | 3.109 | 0.139 | 78.97 | 3.53 |
| AS568-236 | 3 1/4 | 1/8 | 3.234 | 0.139 | 82.14 | 3.53 |
| AS568-237 | 3 3/8 | 1/8 | 3.359 | 0.139 | 85.32 | 3.53 |
| AS568-238 | 3 1/2 | 1/8 | 3.484 | 0.139 | 88.49 | 3.53 |
| AS568-239 | 3 5/8 | 1/8 | 3.609 | 0.139 | 91.67 | 3.53 |
| AS568-240 | 3 3/4 | 1/8 | 3.734 | 0.139 | 94.84 | 3.53 |
| AS568-241 | 3 7/8 | 1/8 | 3.859 | 0.139 | 98.02 | 3.53 |
| AS568-242 | 4 | 1/8 | 3.984 | 0.139 | 101.19 | 3.53 |
| AS568-243 | 4 1/8 | 1/8 | 4.109 | 0.139 | 104.37 | 3.53 |
| AS568-244 | 4 1/4 | 1/8 | 4.234 | 0.139 | 107.54 | 3.53 |
| AS568-245 | 4 3/8 | 1/8 | 4.359 | 0.139 | 110.72 | 3.53 |
| AS568-246 | 4 1/2 | 1/8 | 4.484 | 0.139 | 113.89 | 3.53 |
| AS568-247 | 4 5/8 | 1/8 | 4.609 | 0.139 | 117.07 | 3.53 |
| AS568-248 | 4 3/4 | 1/8 | 4.734 | 0.139 | 120.24 | 3.53 |
| AS568-249 | 4 7/8 | 1/8 | 4.859 | 0.139 | 123.42 | 3.53 |
| AS568-250 | 5 | 1/8 | 4.984 | 0.139 | 126.59 | 3.53 |
| AS568-251 | 5 1/8 | 1/8 | 5.109 | 0.139 | 129.77 | 3.53 |
| AS568-252 | 5 1/4 | 1/8 | 5.234 | 0.139 | 132.94 | 3.53 |
| AS568-253 | 5 3/8 | 1/8 | 5.359 | 0.139 | 136.12 | 3.53 |
| AS568-254 | 5 1/2 | 1/8 | 5.484 | 0.139 | 139.29 | 3.53 |
| AS568-255 | 5 5/8 | 1/8 | 5.609 | 0.139 | 142.47 | 3.53 |
| AS568-256 | 5 3/4 | 1/8 | 5.734 | 0.139 | 145.64 | 3.53 |
| AS568-257 | 5 7/8 | 1/8 | 5.859 | 0.139 | 148.82 | 3.53 |
| AS568-258 | 6 | 1/8 | 5.984 | 0.139 | 151.99 | 3.53 |
| AS568-259 | 6 1/4 | 1/8 | 6.234 | 0.139 | 158.34 | 3.53 |
| AS568-260 | 6 1/2 | 1/8 | 6.484 | 0.139 | 164.69 | 3.53 |
| AS568-261 | 6 3/4 | 1/8 | 6.734 | 0.139 | 171.04 | 3.53 |
| AS568-262 | 7 | 1/8 | 6.984 | 0.139 | 177.39 | 3.53 |
| AS568-263 | 7 1/4 | 1/8 | 7.234 | 0.139 | 183.74 | 3.53 |
| AS568-264 | 7 1/2 | 1/8 | 7.484 | 0.139 | 190.09 | 3.53 |
| AS568-265 | 7 3/4 | 1/8 | 7.734 | 0.139 | 196.44 | 3.53 |
| AS568-266 | 8 | 1/8 | 7.984 | 0.139 | 202.79 | 3.53 |
| AS568-267 | 8 1/4 | 1/8 | 8.234 | 0.139 | 209.14 | 3.53 |
| AS568-268 | 8 1/2 | 1/8 | 8.484 | 0.139 | 215.49 | 3.53 |
| AS568-269 | 8 3/4 | 1/8 | 8.734 | 0.139 | 221.84 | 3.53 |
| AS568-270 | 9 | 1/8 | 8.984 | 0.139 | 228.19 | 3.53 |
| AS568-271 | 9 1/4 | 1/8 | 9.234 | 0.139 | 234.54 | 3.53 |
| AS568-272 | 9 1/2 | 1/8 | 9.484 | 0.139 | 240.89 | 3.53 |
| AS568-273 | 9 3/4 | 1/8 | 9.734 | 0.139 | 247.24 | 3.53 |
| AS568-274 | 10 | 1/8 | 9.984 | 0.139 | 253.59 | 3.53 |
| AS568-275 | 10 1/2 | 1/8 | 10.484 | 0.139 | 266.29 | 3.53 |
| AS568-276 | 11 | 1/8 | 10.984 | 0.139 | 278.99 | 3.53 |
| AS568-277 | 11 1/2 | 1/8 | 11.484 | 0.139 | 291.69 | 3.53 |
| AS568-278 | 12 | 1/8 | 11.984 | 0.139 | 304.39 | 3.53 |
| AS568-279 | 13 | 1/8 | 12.984 | 0.139 | 329.79 | 3.53 |
| AS568-280 | 14 | 1/8 | 13.984 | 0.139 | 355.19 | 3.53 |
| AS568-281 | 15 | 1/8 | 14.984 | 0.139 | 380.59 | 3.53 |
| AS568-282 | 16 | 1/8 | 15.955 | 0.139 | 405.26 | 3.53 |
| AS568-283 | 17 | 1/8 | 16.955 | 0.139 | 430.66 | 3.53 |
| AS568-284 | 18 | 1/8 | 17.955 | 0.139 | 456.06 | 3.53 |
| AS568-309 | 7/16 | 3/16 | 0.412 | 0.21 | 10.46 | 5.33 |
| AS568-310 | 1/2 | 3/16 | 0.475 | 0.21 | 12.07 | 5.33 |
| AS568-311 | 9/16 | 3/16 | 0.537 | 0.21 | 13.64 | 5.33 |
| AS568-312 | 5/8 | 3/16 | 0.6 | 0.21 | 15.24 | 5.33 |
| AS568-313 | 11/16 | 3/16 | 0.662 | 0.21 | 16.81 | 5.33 |
| AS568-314 | 3/4 | 3/16 | 0.725 | 0.21 | 18.42 | 5.33 |
| AS568-315 | 13/16 | 3/16 | 0.787 | 0.21 | 19.99 | 5.33 |
| AS568-316 | 7/8 | 3/16 | 0.85 | 0.21 | 21.59 | 5.33 |
| AS568-317 | 15/16 | 3/16 | 0.912 | 0.21 | 23.16 | 5.33 |
| AS568-318 | 1 | 3/16 | 0.975 | 0.21 | 24.77 | 5.33 |
| AS568-319 | 1 1/16 | 3/16 | 1.037 | 0.21 | 26.34 | 5.33 |
| AS568-320 | 1 1/8 | 3/16 | 1.1 | 0.21 | 27.94 | 5.33 |
| AS568-321 | 1 3/16 | 3/16 | 1.162 | 0.21 | 29.51 | 5.33 |
| AS568-322 | 1 1/4 | 3/16 | 1.225 | 0.21 | 31.12 | 5.33 |
| AS568-323 | 1 5/16 | 3/16 | 1.287 | 0.21 | 32.69 | 5.33 |
| AS568-324 | 1 3/8 | 3/16 | 1.35 | 0.21 | 34.29 | 5.33 |
| AS568-325 | 1 1/2 | 3/16 | 1.475 | 0.21 | 37.47 | 5.33 |
| AS568-326 | 1 5/8 | 3/16 | 1.6 | 0.21 | 40.64 | 5.33 |
| AS568-327 | 1 3/4 | 3/16 | 1.725 | 0.21 | 43.82 | 5.33 |
| AS568-283 | 17 | 1/8 | 16.955 | 0.139 | 430.66 | 3.53 |
| AS568-284 | 18 | 1/8 | 17.955 | 0.139 | 456.06 | 3.53 |
| AS568-309 | 7/16 | 3/16 | 0.412 | 0.21 | 10.46 | 5.33 |
| AS568-310 | 1/2 | 3/16 | 0.475 | 0.21 | 12.07 | 5.33 |
| AS568-311 | 9/16 | 3/16 | 0.537 | 0.21 | 13.64 | 5.33 |
| AS568-312 | 5/8 | 3/16 | 0.6 | 0.21 | 15.24 | 5.33 |
| AS568-313 | 11/16 | 3/16 | 0.662 | 0.21 | 16.81 | 5.33 |
| AS568-314 | 3/4 | 3/16 | 0.725 | 0.21 | 18.42 | 5.33 |
| AS568-315 | 13/16 | 3/16 | 0.787 | 0.21 | 19.99 | 5.33 |
| AS568-316 | 7/8 | 3/16 | 0.85 | 0.21 | 21.59 | 5.33 |
| AS568-317 | 15/16 | 3/16 | 0.912 | 0.21 | 23.16 | 5.33 |
| AS568-318 | 1 | 3/16 | 0.975 | 0.21 | 24.77 | 5.33 |
| AS568-319 | 1 1/16 | 3/16 | 1.037 | 0.21 | 26.34 | 5.33 |
| AS568-320 | 1 1/8 | 3/16 | 1.1 | 0.21 | 27.94 | 5.33 |
| AS568-321 | 1 3/16 | 3/16 | 1.162 | 0.21 | 29.51 | 5.33 |
| AS568-322 | 1 1/4 | 3/16 | 1.225 | 0.21 | 31.12 | 5.33 |
| AS568-323 | 1 5/16 | 3/16 | 1.287 | 0.21 | 32.69 | 5.33 |
| AS568-324 | 1 3/8 | 3/16 | 1.35 | 0.21 | 34.29 | 5.33 |
| AS568-325 | 1 1/2 | 3/16 | 1.475 | 0.21 | 37.47 | 5.33 |
| AS568-326 | 1 5/8 | 3/16 | 1.6 | 0.21 | 40.64 | 5.33 |
| AS568-327 | 1 3/4 | 3/16 | 1.725 | 0.21 | 43.82 | 5.33 |
| AS568-328 | 1 7/8 | 3/16 | 1.85 | 0.21 | 46.99 | 5.33 |
| AS568-329 | 2 | 3/16 | 1.975 | 0.21 | 50.17 | 5.33 |
| AS568-330 | 2 1/8 | 3/16 | 2.1 | 0.21 | 53.34 | 5.33 |
| AS568-331 | 2 1/4 | 3/16 | 2.225 | 0.21 | 56.52 | 5.33 |
| AS568-332 | 2 3/8 | 3/16 | 2.35 | 0.21 | 59.69 | 5.33 |
| AS568-333 | 2 1/2 | 3/16 | 2.475 | 0.21 | 62.87 | 5.33 |
| AS568-334 | 2 5/8 | 3/16 | 2.6 | 0.21 | 66.04 | 5.33 |
| AS568-335 | 2 3/4 | 3/16 | 2.725 | 0.21 | 69.22 | 5.33 |
| AS568-336 | 2 7/8 | 3/16 | 2.85 | 0.21 | 72.39 | 5.33 |
| AS568-337 | 3 | 3/16 | 2.975 | 0.21 | 75.57 | 5.33 |
| AS568-338 | 3 1/8 | 3/16 | 3.1 | 0.21 | 78.74 | 5.33 |
| AS568-339 | 3 1/4 | 3/16 | 3.225 | 0.21 | 81.92 | 5.33 |
| AS568-340 | 3 3/8 | 3/16 | 3.35 | 0.21 | 85.09 | 5.33 |
| AS568-341 | 3 1/2 | 3/16 | 3.475 | 0.21 | 88.27 | 5.33 |
| AS568-342 | 3 5/8 | 3/16 | 3.6 | 0.21 | 91.44 | 5.33 |
| AS568-343 | 3 3/4 | 3/16 | 3.725 | 0.21 | 94.62 | 5.33 |
| AS568-344 | 3 7/8 | 3/16 | 3.85 | 0.21 | 97.79 | 5.33 |
| AS568-345 | 4 | 3/16 | 3.975 | 0.21 | 100.97 | 5.33 |
| AS568-346 | 4 1/8 | 3/16 | 4.1 | 0.21 | 104.14 | 5.33 |
| AS568-347 | 4 1/4 | 3/16 | 4.225 | 0.21 | 107.32 | 5.33 |
| AS568-348 | 4 3/8 | 3/16 | 4.35 | 0.21 | 110.49 | 5.33 |
| AS568-349 | 4 1/2 | 3/16 | 4.475 | 0.21 | 113.67 | 5.33 |
| AS568-350 | 4 5/8 | 3/16 | 4.6 | 0.21 | 116.84 | 5.33 |
| AS568-351 | 4 3/4 | 3/16 | 4.725 | 0.21 | 120.02 | 5.33 |
| AS568-352 | 4 7/8 | 3/16 | 4.85 | 0.21 | 123.19 | 5.33 |
| AS568-353 | 5 | 3/16 | 4.975 | 0.21 | 126.37 | 5.33 |
| AS568-354 | 5 1/8 | 3/16 | 5.1 | 0.21 | 129.54 | 5.33 |
| AS568-355 | 5 1/4 | 3/16 | 5.225 | 0.21 | 132.72 | 5.33 |
| AS568-356 | 5 3/8 | 3/16 | 5.35 | 0.21 | 135.89 | 5.33 |
| AS568-357 | 5 1/2 | 3/16 | 5.475 | 0.21 | 139.07 | 5.33 |
| AS568-358 | 5 5/8 | 3/16 | 5.6 | 0.21 | 142.24 | 5.33 |
| AS568-359 | 5 3/4 | 3/16 | 5.725 | 0.21 | 145.42 | 5.33 |
| AS568-360 | 5 7/8 | 3/16 | 5.85 | 0.21 | 148.59 | 5.33 |
| AS568-361 | 6 | 3/16 | 5.975 | 0.21 | 151.77 | 5.33 |
| AS568-362 | 6 1/4 | 3/16 | 6.225 | 0.21 | 158.12 | 5.33 |
| AS568-363 | 6 1/2 | 3/16 | 6.475 | 0.21 | 164.47 | 5.33 |
| AS568-364 | 6 3/4 | 3/16 | 6.725 | 0.21 | 170.82 | 5.33 |
| AS568-365 | 7 | 3/16 | 6.975 | 0.21 | 177.17 | 5.33 |
| AS568-366 | 7 1/4 | 3/16 | 7.225 | 0.21 | 183.52 | 5.33 |
| AS568-367 | 7 1/2 | 3/16 | 7.475 | 0.21 | 189.87 | 5.33 |
| AS568-368 | 7 3/4 | 3/16 | 7.725 | 0.21 | 196.22 | 5.33 |
| AS568-369 | 8 | 3/16 | 7.975 | 0.21 | 202.57 | 5.33 |
| AS568-370 | 8 1/4 | 3/16 | 8.225 | 0.21 | 208.92 | 5.33 |
| AS568-371 | 8 1/2 | 3/16 | 8.475 | 0.21 | 215.27 | 5.33 |
| AS568-372 | 8 3/4 | 3/16 | 8.725 | 0.21 | 221.62 | 5.33 |
| AS568-373 | 9 | 3/16 | 8.975 | 0.21 | 227.97 | 5.33 |
| AS568-374 | 9 1/4 | 3/16 | 9.225 | 0.21 | 234.32 | 5.33 |
| AS568-375 | 9 1/2 | 3/16 | 9.475 | 0.21 | 240.67 | 5.33 |
| AS568-376 | 9 3/4 | 3/16 | 9.725 | 0.21 | 247.02 | 5.33 |
| AS568-377 | 10 | 3/16 | 9.975 | 0.21 | 253.37 | 5.33 |
| AS568-378 | 10 1/2 | 3/16 | 10.475 | 0.21 | 266.07 | 5.33 |
| AS568-379 | 11 | 3/16 | 10.975 | 0.21 | 278.77 | 5.33 |
| AS568-380 | 11 1/2 | 3/16 | 11.475 | 0.21 | 291.47 | 5.33 |
| AS568-381 | 12 | 3/16 | 11.975 | 0.21 | 304.17 | 5.33 |
| AS568-382 | 13 | 3/16 | 12.975 | 0.21 | 329.57 | 5.33 |
| AS568-383 | 14 | 3/16 | 13.975 | 0.21 | 354.97 | 5.33 |
| AS568-384 | 15 | 3/16 | 14.975 | 0.21 | 380.37 | 5.33 |
| AS568-385 | 16 | 3/16 | 15.955 | 0.21 | 405.26 | 5.33 |
| AS568-386 | 17 | 3/16 | 16.955 | 0.21 | 430.66 | 5.33 |
| AS568-387 | 18 | 3/16 | 17.955 | 0.21 | 456.06 | 5.33 |
| AS568-388 | 19 | 3/16 | 18.955 | 0.21 | 481.46 | 5.33 |
| AS568-389 | 20 | 3/16 | 19.955 | 0.21 | 506.86 | 5.33 |
| AS568-390 | 21 | 3/16 | 20.955 | 0.21 | 532.26 | 5.33 |
| AS568-391 | 22 | 3/16 | 21.955 | 0.21 | 557.66 | 5.33 |
| AS568-392 | 23 | 3/16 | 22.94 | 0.21 | 582.68 | 5.33 |
| AS568-393 | 24 | 3/16 | 23.94 | 0.21 | 608.08 | 5.33 |
| AS568-394 | 25 | 3/16 | 24.94 | 0.21 | 633.48 | 5.33 |
| AS568-395 | 26 | 3/16 | 25.94 | 0.21 | 658.88 | 5.33 |
| AS568-425 | 4 1/2 | 1/4 | 4.475 | 0.275 | 113.67 | 6.99 |
| AS568-426 | 4 5/8 | 1/4 | 4.6 | 0.275 | 116.84 | 6.99 |
| AS568-427 | 4 3/4 | 1/4 | 4.725 | 0.275 | 120.02 | 6.99 |
| AS568-428 | 4 7/8 | 1/4 | 4.85 | 0.275 | 123.19 | 6.99 |
| AS568-429 | 5 | 1/4 | 4.975 | 0.275 | 126.37 | 6.99 |
| AS568-430 | 5 1/8 | 1/4 | 5.1 | 0.275 | 129.54 | 6.99 |
| AS568-431 | 5 1/4 | 1/4 | 5.225 | 0.275 | 132.72 | 6.99 |
| AS568-432 | 5 3/8 | 1/4 | 5.35 | 0.275 | 135.89 | 6.99 |
| AS568-433 | 5 1/2 | 1/4 | 5.475 | 0.275 | 139.07 | 6.99 |
| AS568-434 | 5 5/8 | 1/4 | 5.6 | 0.275 | 142.24 | 6.99 |
| AS568-435 | 5 3/4 | 1/4 | 5.725 | 0.275 | 145.42 | 6.99 |
| AS568-436 | 5 7/8 | 1/4 | 5.85 | 0.275 | 148.59 | 6.99 |
| AS568-437 | 6 | 1/4 | 5.975 | 0.275 | 151.77 | 6.99 |
| AS568-438 | 6 1/4 | 1/4 | 6.225 | 0.275 | 158.12 | 6.99 |
| AS568-439 | 6 1/2 | 1/4 | 6.475 | 0.275 | 164.47 | 6.99 |
| AS568-440 | 6 3/4 | 1/4 | 6.725 | 0.275 | 170.82 | 6.99 |
| AS568-441 | 7 | 1/4 | 6.975 | 0.275 | 177.17 | 6.99 |
| AS568-442 | 7 1/4 | 1/4 | 7.225 | 0.275 | 183.52 | 6.99 |
| AS568-443 | 7 1/2 | 1/4 | 7.475 | 0.275 | 189.87 | 6.99 |
| AS568-444 | 7 3/4 | 1/4 | 7.725 | 0.275 | 196.22 | 6.99 |
| AS568-445 | 8 | 1/4 | 7.975 | 0.275 | 202.57 | 6.99 |
| AS568-446 | 8 1/2 | 1/4 | 8.475 | 0.275 | 215.27 | 6.99 |
| AS568-447 | 9 | 1/4 | 8.975 | 0.275 | 227.97 | 6.99 |
| AS568-448 | 9 1/2 | 1/4 | 9.475 | 0.275 | 240.67 | 6.99 |
| AS568-449 | 10 | 1/4 | 9.975 | 0.275 | 253.37 | 6.99 |
| AS568-450 | 10 1/2 | 1/4 | 10.475 | 0.275 | 266.07 | 6.99 |
| AS568-451 | 11 | 1/4 | 10.975 | 0.275 | 278.77 | 6.99 |
| AS568-452 | 11 1/2 | 1/4 | 11.475 | 0.275 | 291.47 | 6.99 |
| AS568-453 | 12 | 1/4 | 11.975 | 0.275 | 304.17 | 6.99 |
| AS568-454 | 12 1/2 | 1/4 | 12.475 | 0.275 | 316.87 | 6.99 |
| AS568-455 | 13 | 1/4 | 12.975 | 0.275 | 329.57 | 6.99 |
| AS568-456 | 13 1/2 | 1/4 | 13.475 | 0.275 | 342.27 | 6.99 |
| AS568-457 | 14 | 1/4 | 13.975 | 0.275 | 354.97 | 6.99 |
| AS568-458 | 14 1/2 | 1/4 | 14.475 | 0.275 | 367.67 | 6.99 |
| AS568-459 | 15 | 1/4 | 14.975 | 0.275 | 380.37 | 6.99 |
| AS568-460 | 15 1/2 | 1/4 | 15.475 | 0.275 | 393.07 | 6.99 |
| AS568-461 | 16 | 1/4 | 15.955 | 0.275 | 405.26 | 6.99 |
| AS568-462 | 16 1/2 | 1/4 | 16.455 | 0.275 | 417.96 | 6.99 |
| AS568-463 | 17 | 1/4 | 16.955 | 0.275 | 430.66 | 6.99 |
| AS568-464 | 17 1/2 | 1/4 | 17.455 | 0.275 | 443.36 | 6.99 |
| AS568-465 | 18 | 1/4 | 17.955 | 0.275 | 456.06 | 6.99 |
| AS568-466 | 18 1/2 | 1/4 | 18.455 | 0.275 | 468.76 | 6.99 |
| AS568-467 | 19 | 1/4 | 18.955 | 0.275 | 481.46 | 6.99 |
| AS568-468 | 19 1/2 | 1/4 | 19.455 | 0.275 | 494.16 | 6.99 |
| AS568-469 | 20 | 1/4 | 19.955 | 0.275 | 506.86 | 6.99 |
| AS568-470 | 21 | 1/4 | 20.955 | 0.275 | 532.26 | 6.99 |
| AS568-471 | 22 | 1/4 | 21.955 | 0.275 | 557.66 | 6.99 |
| AS568-472 | 23 | 1/4 | 22.94 | 0.275 | 582.68 | 6.99 |
| AS568-473 | 24 | 1/4 | 23.94 | 0.275 | 608.08 | 6.99 |
| AS568-474 | 25 | 1/4 | 24.94 | 0.275 | 633.48 | 6.99 |
| AS568-475 | 26 | 1/4 | 25.94 | 0.275 | 658.88 | 6.99 |
| Size | Tube Size (inches) | Standard Size (inches) | Converted size (millimeters) | ||
|---|---|---|---|---|---|
| OD (Outside Diameter) | ID (Inside Diameter) | Width | ID (Inside Diameter) | Width | |
| AS568-901 | 3/32 | 0.185 | 0.056 | 4.7 | 1.42 |
| AS568-902 | 1/8 | 0.239 | 0.064 | 6.07 | 1.63 |
| AS568-903 | 3/16 | 0.301 | 0.064 | 7.65 | 1.63 |
| AS568-904 | 1/4 | 0.351 | 0.072 | 8.92 | 1.83 |
| AS568-905 | 5/16 | 0.414 | 0.072 | 10.52 | 1.83 |
| AS568-906 | 3/8 | 0.468 | 0.078 | 11.89 | 1.98 |
| AS568-907 | 7/16 | 0.53 | 0.082 | 13.46 | 2.08 |
| AS568-908 | 1/2 | 0.644 | 0.087 | 16.36 | 2.21 |
| AS568-909 | 9/16 | 0.706 | 0.097 | 17.93 | 2.46 |
| AS568-910 | 5/8 | 0.755 | 0.097 | 19.18 | 2.46 |
| AS568-911 | 11/16 | 0.863 | 0.116 | 21.92 | 2.95 |
| AS568-912 | 3/4 | 0.924 | 0.116 | 23.47 | 2.95 |
| AS568-913 | 13/16 | 0.986 | 0.116 | 25.04 | 2.95 |
| AS568-914 | 7/8 | 1.047 | 0.116 | 26.59 | 2.95 |
| AS568-916 | 1 | 1.171 | 0.116 | 29.74 | 2.95 |
| AS568-918 | 1 1/8 | 1.355 | 0.116 | 34.42 | 2.95 |
| AS568-920 | 1 1/4 | 1.475 | 0.118 | 37.47 | 3 |
| AS568-924 | 1 1/2 | 1.72 | 0.118 | 43.69 | 3 |
| AS568-928 | 1 3/4 | 2.09 | 0.118 | 53.09 | 3 |
| AS568-932 | 2 | 2.337 | 0.118 | 59.36 | 3 |
Other charts
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