20.99 May 27, 2026
ISO
ISO/TC 20/SC 10
International Standard
This part of ISO 22056 specifies a procedure to thermally condition, perform cold soak, hot soak and simulate cold starts for a lubricant filter element used in an aerospace lubricant system.
IN_DEVELOPMENT
ISO/WD 22056-2
20.99
WD approved for registration as CD
May 27, 2026