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 6620-01-221-9296
NSN 6620-00-189-0967
NSN 6240-01-477-5323
NSN 7035-01-327-4017
NSN 6645-01-233-1131
NSN 6145-01-499-8319
NSN 4140-01-514-7549
NSN 5990-01-633-9503
NSN 5915-01-471-7814
NSN 5935-01-291-2881
NSN 6145-01-397-2892
NSN 4140-01-197-0406