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.
NSN 6105-01-206-3123
NSN 5975-01-280-0533
NSN 4140-00-555-3856
NSN 6135-01-445-5316
NSN 5935-01-438-4181
NSN 6110-01-412-8549
NSN 6150-00-446-6223
NSN 4140-01-629-9225
NSN 5915-00-519-4651
NSN 5910-00-276-8592
NSN 5935-01-658-4633
NSN 4140-01-333-1439