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 6650-01-534-3587
NSN 6620-01-502-1656
NSN 5910-01-370-4990
NSN 5998-00-432-3024
NSN 6685-00-663-9000
NSN 5895-01-430-7181
NSN 6220-01-259-2430
NSN 5965-01-374-2376
NSN 5910-01-176-5037
NSN 5910-01-145-2429
NSN 6150-01-582-2407
NSN 5996-01-288-5955