Elastomer: Fluorocarbon (FKM) Aircraft Engine Oil, Fuel and Hydraulic Fluid Resistant Low Temperature Sealing Tg -40 °F (-40 °C) / 70 to 80 Hardness, for Products in Aircraft Engine Oil, Fuel, and Hydraulics Systems
Rubber: Fluorocarbon Elastomer (FKM) Low Temperature Sealing Tg -40 °F (-40 °C) 70 to 80 Type ‘A’ Hardness For Elastomeric Seals in Aircraft Engine Oil, Fuel and Hydraulics Systems
Rubber: Fluorocarbon Elastomer (FKM) 70 to 80 Hardness, Low Temperature Sealing Tg -40°F (-40°C) For Elastomeric Parts in Aircraft Engine Oil, Fuel and Hydraulics Systems
Rubber: Fluorocarbon Elastomer (FKM) 70 to 80 Hardness, Low Temperature Sealing Tg -40°F (-40°C) For Elastomeric Parts in Aircraft Engine Oil, Fuel and Hydraulics Systems