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 5915-01-541-2031
NSN 5990-01-138-8981
NSN 2925-01-578-7731
NSN 5905-00-351-1630
NSN 5835-00-034-4976
NSN 7035-01-516-4516
NSN 5905-01-194-9628
NSN 6110-00-391-8932
NSN 6650-01-039-9340
NSN 6645-00-877-6002
NSN 4140-01-058-6603
NSN 6685-01-631-0892