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 6130-01-222-3857
NSN 6240-00-793-1807
NSN 6220-01-106-3215
NSN 6685-01-127-2230
NSN 6650-01-261-3013
NSN 5996-00-929-2216
NSN 5930-01-657-0685
NSN 5905-01-634-0595
NSN 5920-01-617-2229
NSN 6220-00-200-7888
NSN 6110-00-118-6174
NSN 6610-01-398-1094