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 5998-01-348-7546
NSN 5935-01-656-8124
NSN 4140-00-188-3800
NSN 5910-01-243-6766
NSN 5920-00-636-4713
NSN 6105-01-387-0330
NSN 6645-01-039-0058
NSN 6220-01-363-8880
NSN 6130-01-240-8801
NSN 5835-01-528-1864
NSN 6645-00-262-7448
NSN 6620-01-068-0046