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 5935-01-181-1620
NSN 5950-01-369-0823
NSN 5950-01-377-1422
NSN 6150-00-553-7948
NSN 6320-00-521-9350
NSN 6130-01-029-2100
NSN 6110-00-288-4179
NSN 6685-01-334-6091
NSN 6320-01-171-3238
NSN 5920-01-253-8261
NSN 4140-00-470-7557
NSN 5920-01-038-7388