Form 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. Application 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). Safety Hazardous Materials While the materials@ methods@ applications@ and processes described or referenced in this specification may involve the use of hazardous materials@ this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.
SAE AMS7257D-2012 history
2014SAE AMS7257E-2014 Rings, Sealing, Perfluorocarbon (Ffkm) Rubber High Temperature Fluid Resistant 70-80
2012SAE AMS7257D-2012 Rings, Sealing, Perfluorocarbon (FFKM) Rubber High Temperature Fluid Resistant 70 - 80
2011SAE AMS7257A-2011 RINGS, SEALING, PERFLUOROCARBON RUBBER High Temperature Fluid Resistant FFKM Type 70-80
1998SAE AMS7257C-1998 Rings, Sealing, Perfluorocarbon (FFKM) Rubber High Temperature Fluid Resistant 70 - 80
1993SAE AMS7257C-1993 Rings, Sealing, Perfluorocarbon (FFKM) Rubber High Temperature Fluid Resistant 70 - 80
1992SAE AMS7257B-1992 RINGS@ SEALING@ PERFLUOROCARBON (FFKM) RUBBER High Temperature Fluid Resistant 70 - 80
1986SAE AMS7257A-1986 RINGS@ SEALING@ PERFLUOROCARBON RUBBER High Temperature Fluid Resistant FFKM Type 70-80
1985SAE AMS7257-1985 RINGS@ SEALING@ PERFLUOROCARBON RUBBER High Temperature Fluid Resistant FFKM Type 75-85