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 5996-00-601-6690
NSN 5985-01-416-4333
NSN 6220-01-235-2353
NSN 4140-01-311-9755
NSN 5935-00-757-3021
NSN 6135-01-364-2738
NSN 6320-00-483-0451
NSN 6685-00-318-7766
NSN 6130-00-199-0514
NSN 5835-00-016-3671
NSN 5905-01-068-3631
NSN 6240-00-272-8601