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 4140-00-155-8012
NSN 5930-01-184-9380
NSN 6650-00-078-5773
NSN 5935-00-827-1918
NSN 5945-00-035-9251
NSN 5930-01-400-6126
NSN 6685-01-450-3304
NSN 6110-00-258-8542
NSN 6130-01-300-5491
NSN 5996-01-044-6958
NSN 5965-00-337-0777
NSN 6610-01-370-3886