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 5930-01-419-0947
NSN 6320-00-400-8042
NSN 6645-01-333-9336
NSN 5950-01-352-5874
NSN 4140-01-085-4965
NSN 5930-01-265-8122
NSN 5835-01-126-9358
NSN 5975-01-238-6429
NSN 6110-00-623-3468
NSN 5998-01-380-9453
NSN 5996-01-017-1309
NSN 6320-01-377-5701