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 6220-01-044-6940
NSN 5999-01-265-0721
NSN 5945-01-232-3611
NSN 6110-00-193-0030
NSN 6135-01-644-9348
NSN 6650-00-242-0183
NSN 6620-01-413-4170
NSN 5930-00-581-4280
NSN 6320-00-405-2348
NSN 6220-01-016-8128
NSN 6650-00-520-5785
NSN 6320-01-622-5493