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 5960-01-175-9880
NSN 2925-00-880-4061
NSN 6320-00-174-1362
NSN 5920-01-261-0613
NSN 6645-00-920-8690
NSN 5960-01-648-1872
NSN 5985-01-576-0468
NSN 5998-01-261-8121
NSN 6645-00-527-6531
NSN 5999-01-359-3255
NSN 6150-01-433-2490
NSN 6685-01-348-7025