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 5999-01-131-7065
NSN 5965-00-289-6280
NSN 6105-01-045-3973
NSN 5905-01-095-7640
NSN 6130-01-406-5353
NSN 2925-00-294-1595
NSN 5965-00-007-7863
NSN 5975-01-517-2780
NSN 5930-01-234-0828
NSN 5920-00-901-5158
NSN 5965-01-408-6218
NSN 5935-01-444-4153