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 6685-01-500-1810
NSN 5915-01-174-6595
NSN 5990-00-186-2445
NSN 4140-01-470-1359
NSN 6150-01-634-0575
NSN 5905-01-489-5756
NSN 6650-01-376-6965
NSN 6610-01-212-9817
NSN 4140-01-519-1870
NSN 6610-01-099-9710
NSN 6110-00-090-3690
NSN 5915-01-475-2658