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 5975-01-033-6578
NSN 6110-01-058-5321
NSN 5835-01-578-3443
NSN 6150-01-502-6713
NSN 6150-00-576-3964
NSN 6645-01-394-5149
NSN 5960-01-624-1170
NSN 5960-01-624-1170
NSN 5999-01-410-7802
NSN 6110-01-206-6479
NSN 5925-01-563-4677
NSN 6645-00-985-5543