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.
Classification: Check valves of steel
NSN 5920-01-281-7354
NSN 5835-01-501-0526
NSN 2925-01-628-7580
NSN 4140-01-358-1104
NSN 6645-00-183-8812
NSN 5945-01-425-0270
NSN 6320-01-495-0512
NSN 6110-01-518-1035
NSN 5998-01-587-3948
NSN 4140-01-473-9080
NSN 6150-00-173-9283
NSN 5855-01-003-7102