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 6650-01-381-3299
NSN 6610-00-831-5748
NSN 5996-01-590-5109
NSN 5925-00-001-7446
NSN 5996-01-574-8853
NSN 6685-01-534-1088
NSN 6220-01-025-1373
NSN 5935-01-258-8688
NSN 5996-01-250-0081
NSN 4140-01-023-8098
NSN 6110-00-966-6387
NSN 6610-01-460-2785