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 5915-01-088-8649
NSN 6685-00-936-2928
NSN 4140-01-069-4576
NSN 6320-01-378-6191
NSN 6645-01-171-0187
NSN 5835-01-185-1102
NSN 6645-01-510-1984
NSN 5999-00-806-4007
NSN 5915-01-267-9899
NSN 6610-01-592-5945
NSN 5965-00-900-8102
NSN 5915-00-340-1135