SAE Standards Works
AMS CE Elastomers Committee
AMS7257E - Rings, Sealing, Perfluorocarbon (Ffkm) Rubber High Temperature Fluid Resistant 70-80
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Rings, Sealing, Perfluorocarbon (Ffkm) Rubber High Temperature Fluid Resistant 70-80
This specification covers a Perfluorocarbon (FFKM) rubber in the form of molded rings, compression seals, o-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications. These products have resistance to a variety of fluids, but usage is not limited to such applications. Each application should be considered separately. This perfluorocarbon (FFKM) has a typical service temperature range of +5 to 554 F (-15 to 290 C).
This document requires revision to correct typographical errors contained in AMS7257D that are causing confusion in Manufacturer Acceptance Tests.