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 6220-00-660-5539
NSN 5905-01-472-3566
NSN 5915-01-483-4017
NSN 6320-01-089-9086
NSN 5905-01-181-6561
NSN 6130-00-118-8952
NSN 5935-01-528-5805
NSN 5999-01-155-4159
NSN 5930-01-442-7705
NSN 5975-01-318-5591
NSN 5975-00-269-4365
NSN 6135-01-217-3292