Rubber, Fluorocarbon Elastomer (FKM), 70 to 80 Hardness, Low Temperature Sealing Tg -22°F (-30°C), For Elastomeric Shapes or Parts in Gas Turbine Engine Oil, Fuel and Hydraulic Systems AMS3384

This specification covers a high temperature, compression set and fluid resistant fluorocarbon (FKM) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes for aeronautical and aerospace applications.