Aerospace series - O-rings, in fluorocarbon rubber (FKM), low compression set - Hardness 80 IRHD
NORM herausgegeben am 1.5.2026
Bezeichnung normen: ČSN EN 3049
Zeichen: 317151
Katalog-Nummer: 523348
Ausgabedatum normen: 1.5.2026
Zahl der Seiten: 16
Gewicht ca.: 48 g (0.11 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This document 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 used with phosphoric ester type hydraulic fluids (permanent or temporary immersion)