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 6220-01-056-6507
NSN 7035-01-599-8995
NSN 6135-01-333-2540
NSN 5835-01-116-2369
NSN 6150-00-974-7977
NSN 2925-01-334-7122
NSN 6645-01-290-3930
NSN 5835-01-307-8954
NSN 6650-00-405-6323
NSN 5975-00-292-3250
NSN 6620-00-334-7249
NSN 6220-00-868-5651