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 5996-01-231-4361
NSN 5855-01-051-4143
NSN 6620-00-951-0153
NSN 5835-01-208-8800
NSN 6610-01-119-7390
NSN 5985-01-366-7345
NSN 6135-01-532-7951
NSN 6645-01-100-3296
NSN 6110-01-492-6151
NSN 6320-01-268-3072
NSN 5945-01-294-4973
NSN 6685-00-256-0240