This standard specifies the characteristics of O-rings in fluorosilicone rubber FVMQ, hardness 80 IRHD, for aerospace applications.
They are intended to be used in air, mineral/synthetic oil and fuel systems.
Operating conditions – Temperature:
a) Continuous operation: 55 °C to 150 °C;
b) Intermittent service: 55 °C to 200 °C.
Limitation:
not to be used with phosphoric ester type hydraulic fluids (permanent or temporary immersion).
Registration number (WIID)
22820
Scope
This standard specifies the characteristics of O-rings in fluorosilicone rubber FVMQ, hardness 80 IRHD, for aerospace applications.
They are intended to be used in air, mineral/synthetic oil and fuel systems.
Operating conditions – Temperature:
a) Continuous operation: 55 °C to 150 °C;
b) Intermittent service: 55 °C to 200 °C.
Limitation:
not to be used with phosphoric ester type hydraulic fluids (permanent or temporary immersion).
