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 materials other than copper, iron or steel
NSN 5905-01-606-2420
NSN 5930-00-723-3812
NSN 5990-01-254-3197
NSN 6320-01-260-4301
NSN 6220-01-394-5263
NSN 5905-01-055-4586
NSN 6130-01-204-7778
NSN 6650-00-316-4889
NSN 5998-00-222-9451
NSN 6645-00-144-4868
NSN 6320-00-004-9158
NSN 4140-01-211-6474