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 5935-01-128-9127
NSN 5998-01-217-3189
NSN 6135-00-347-0595
NSN 4140-00-717-6123
NSN 6685-01-593-1528
NSN 4140-00-287-9199
NSN 5905-00-835-7808
NSN 6145-00-104-7789
NSN 6645-00-239-5743
NSN 6320-01-284-4508
NSN 5835-00-969-5771
NSN 6130-01-510-9313