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 6645-01-301-9462
NSN 6130-00-869-8908
NSN 5999-01-607-0289
NSN 5985-00-074-4763
NSN 6145-00-840-6685
NSN 6135-00-062-5080
NSN 5930-01-461-6669
NSN 5985-00-610-9165
NSN 5910-00-132-2523
NSN 6105-01-412-6549
NSN 6320-01-627-1594
NSN 6685-00-228-3781