Welcome to Conquest Seal

Conquest Seal is a world-class supplier of o-rings, gaskets and seals to the aerospace, automotive, and defense industries. We offer the most complete line of materials to the industries we service, including:

  • Butyl
  • Ethylene propylene
  • Fluorocarbon
  • Fluorosilicone
  • Hydrogenated nitrile
  • Nitrile
  • Perfluoroelastomer
  • Polyacrylate
  • Polyurethane
  • Silicone

We focus on materials science, and our knowledgable product specialists are available to help tailor the materials you need to the size and standards required for your specific application.

Our specialists can help you tailor custom o-rings, gaskets and seals to meet your product needs. We have available all standard o-ring sizes that meet aerospace industry standards – including AS568, MS28775 and BS1806. Our inventory also includes o-rings to DIN 3771, ISO 3601-1, ISO 6149 (Metric), JIS B2401, and SAE J1926 (English) standards.

Our products are an integral part of commercial and military aircraft, surgical instruments, hydraulic and pneumatic systems, automobiles, HVAC and fuel handling equipment.

Lines, Materials, Compounds, Customs and Services

Conquest Seal is proud to distribute for SIMRIT / International Seal, Precix (Acushnet Rubber) and Dichtomatik N .A.. We also have a large selection of products from CoorsTek, Saint-Gobain Performance Plastics, DuPont-Dow, Parker Seal and a vast import department.Conquest Seal is proud to distribute for SIMRIT / International Seal, Precix (Acushnet Rubber) and Dichtomatik N .A.. We also have a large selection of products from CoorsTek, Saint-Gobain Performance Plastics, DuPont-Dow, Parker Seal and a vast import department.

QPL Listed Materials

Our QPL listed line of materials we supply include:

MS28775 MB3461
MS29513 AS3578
MS29512 MS29561
MB3248 M83485
AS3085 AS3209
AS3581 M25988
AS3582 MS28900
NAS1611 NAS1611(A)
NAS1612 NAS1612(A)
MS28774 MS27595
MS28782 MS28783
MS28773 FDA & UL

Compounds, Customs and Services

Compounds that we offer include Buna N (Nitrile), Viton (Fluorocarbon), Kalrez, Silicone, Fluorosilicone, Ethylene Propylene (EP, EPR, EPDM), Neoprene, Aflas, Butyl, Hydrogenated Nitrile, Internally Lubricated Nitrile, Polyurethane, Teflon, Nylatron and other custom compounds. Contact us to help you locate the compound you need!

We have a vast selection of AS56B Series o-rings, metric o-rings, Parker 2-, 3- & 5- Series o-rings, spliced & vulcanized rings, closed cell sponge and cord stock to meet your needs.

We also offer custom molded gaskets and extruded material. You give us your drawing and we will work diligently to have the gaskets made to your specifications.

In case a rounded o-ring doesn’t fit your needs, we also offer several options – quad rings, x-rings, square-cut rings and more!

We offer other services such as level III PPAP’s, AS9102 First Articles, custom packaging of your shipments, Teflon coating, outside laboratory testing, individual or bulk packaging, packaging on mandrels or tubes and on-site regional assistance.

Quality Control

Our trained and knowledgeable quality control personnel use the finest equipment available. Full traceability with batch numbers and cure dates are always included in your shipments.


ISO 9001:2008

Conquest Seal is justifiably proud of our ISO 9001:2008 accreditation. We meet the high quality family of standards of ISO 9001:2008 in all our systems. We are committed to consistently exceed our customer’s expectations, and to continual improvement in our products and business processes as well as to performing all services with an ultimate goal of maintaining the highest ethical standards in the industry.



Conquest Seal offers a complete line of o-rings, seals and custom gaskets for the aerospace industry. We are suppliers of Boeing and Airbus approved o-rings and seals.


We offer a full line of automotive seals and custom gaskets to the automotive industry. Our products feature full PPAP capability.


A complete line of oil seals and oversized custom o-rings that meet petroleum and oil exploration industry standards.


An extensive line of FDA conforming o-rings and seals, as well as medical grade o-rings and seals.


Our complete line of military grade Mil-Spec o-rings, seals and custom gaskets can include AS9102 First Articles and samples, per customer specifications.

Contact Conquest Seal

Conquest Seal World Headquarters is centrally located in Orange, California between the 5, 22, and 55 Freeways.

To contact us direct, please use the following:

Conquest Seal Corp
940 W. Chapman Ave., Suite #104
Orange, CA 92868

(714) 632 – 9830 Phone
(714) 632 – 1568 Fax

Our product specialists are here to assist you 7:30am – 4:30pm.
You can email them directly for a prompt response: