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 5855-01-348-6690
NSN 5950-01-595-1957
NSN 6110-00-283-3630
NSN 5920-00-781-9317
NSN 5910-01-386-5844
NSN 6110-01-614-4195
NSN 6240-00-453-7727
NSN 4140-01-216-5118
NSN 5999-01-382-9776
NSN 5998-01-139-4114
NSN 7035-01-406-4146
NSN 6650-01-333-1770