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 5975-01-411-6597
NSN 6220-00-942-2678
NSN 6150-01-360-8207
NSN 6110-00-188-9874
NSN 5985-00-431-6851
NSN 5985-00-952-5519
NSN 6650-01-463-8405
NSN 6685-00-816-8838
NSN 6610-00-350-1091
NSN 6685-00-467-6096
NSN 6135-01-164-3561
NSN 6320-01-446-8050