Flight safety critical
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of steel
NSN 6685-01-197-8048
NSN 6645-01-384-7791
NSN 6645-01-216-1956
NSN 6110-01-316-2257
NSN 6645-00-936-9111
NSN 5855-01-464-3152
NSN 6105-01-131-9422
NSN 5920-01-168-7810
NSN 4140-01-634-0330
NSN 5996-01-101-6324
NSN 2925-00-253-1655
NSN 5935-01-024-6962