Technical Resources

ASTM Specifications for O-Rings and Rubber Seals

McMasters Koss provides complete compliance to ASTM and other industry standard specifications.

Aircraft Preparing for takeoff

From Military Specifications (Mil Spec) to Aerospace Specifications, McMasters Koss offers a variety of elastomers and certifications to meet your requirements.

Kits and special packaging is available for various requirements.

Please reach out to our sales engineering team to discuss your specific requirements.

McMasters Koss provides materials to meet a variety of OEM material specifications. We can provide testing to meet any custom requirements that might be requested.

Automotive OEM Material Specifications