This standard specifies the characteristics of O-rings in fluorocarbon rubber FKM, low compression set, 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: -20°C to +225°C; b) Static applications minimum temperature of use: -50°C. Limitation: not to be used with phosphoric ester type hydraulic fluids (permanent or temporary immersion).
WITHDRAWN
EN 3049:1998
99.60
Withdrawal effective
Dec 24, 2025
PUBLISHED
EN 3049:2025