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 5996-00-518-0460
NSN 6320-00-468-8421
NSN 6220-01-068-9941
NSN 6145-00-933-0120
NSN 5855-01-116-8905
NSN 5895-00-186-0717
NSN 2925-00-478-3742
NSN 6110-01-420-8996
NSN 6105-01-401-5361
NSN 4140-00-476-8683
NSN 6145-01-659-8485
NSN 6150-01-282-0249