scope:

This specification covers aircraft low pressure oxygen check valves.

The valves will be one of the following type and style (see 6.2):

PIN (see 6.9) TYPE STYLE M7908-1 - Check flared tube to flared tube M7908-2 - Dual check tee, end pipe thread to flared tube M7908-3 - Dual check tee, side pipe thread to flared tube M7908-4 - Dual check tee, flared tube M7908-5 - Triple check cross, flared tube M7908-6 - Check pipe thread to flared tube M7908-7 - Check flared tube to pipe thread M7908-8 - Check side pipe thread to flared tube

Beneficial comments (recommendations, additions, deletions) and any pertinent data that may be of use in improving this document should be addressed to: Oklahoma City Air Logistics Center/TICLA, 3001 Staff Drive, Suite 1AEl-101A, Tinker AFB, OK 73145-3036, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

intended Use:

The check valves are intended for use in low pressure, 450 psig or less, aircraft oxygen systems.