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 6610-00-191-5317
NSN 6240-00-865-1938
NSN 6130-00-373-1757
NSN 5999-01-421-3388
NSN 6220-01-423-8319
NSN 4140-01-516-8995
NSN 6650-01-647-4696
NSN 6220-01-422-3602
NSN 5855-00-879-0546
NSN 6685-01-260-2940
NSN 7035-01-463-6559
NSN 5930-00-526-0543