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 2925-01-332-7178
NSN 5930-01-331-4767
NSN 5990-00-247-0975
NSN 6220-01-112-0874
NSN 5945-01-601-8671
NSN 5999-01-122-5627
NSN 6135-01-479-4020
NSN 4140-00-494-2569
NSN 6320-01-278-9832
NSN 5999-01-486-6732
NSN 6240-01-513-0306
NSN 6685-00-909-0133