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 5895-01-528-9528
NSN 5999-00-150-8792
NSN 5965-00-393-1294
NSN 6650-01-298-4138
NSN 5935-00-626-1621
NSN 2925-01-208-6638
NSN 5925-01-476-3879
NSN 5925-01-578-6869
NSN 5965-00-752-5823
NSN 6650-00-287-5868
NSN 6650-00-420-3593
NSN 6145-01-135-2665