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 materials other than copper, iron or steel
NSN 6240-00-784-2545
NSN 5985-01-388-0066
NSN 5925-01-253-6216
NSN 5935-01-503-0390
NSN 5895-00-270-0949
NSN 5920-01-579-2153
NSN 5999-01-187-2335
NSN 6110-01-462-0214
NSN 6620-01-224-9331
NSN 5965-01-222-0166
NSN 6105-01-626-8154
NSN 6135-00-702-2772