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 5930-01-411-6210
NSN 5935-01-403-2844
NSN 5999-00-234-3531
NSN 7035-01-400-3666
NSN 6610-01-610-9376
NSN 5910-00-096-7611
NSN 6220-01-367-1877
NSN 5855-00-316-5050
NSN 5910-00-145-9959
NSN 5930-01-415-1520
NSN 2925-01-078-7854
NSN 4140-00-277-1531