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 5985-01-164-6753
NSN 5950-01-306-7931
NSN 5835-01-099-1514
NSN 5935-00-931-3502
NSN 5925-01-020-2217
NSN 5915-01-572-7000
NSN 5920-01-570-3321
NSN 4140-01-231-5031
NSN 5920-00-420-8897
NSN 6105-00-970-9074
NSN 6650-00-231-2744
NSN 6135-01-268-2152