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SAE AMS-P-5315C-2022
Rubber: Acrylonitrile-Butadiene (NBR) Fuel-Resistant 60 - 70 Type A Hardness
This specification covers an acrylonitrile-butadiene (NBR) rubber in the form of molded rings, molded compression seals, molded O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications.
Society of Automotive Engineers [sae]