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 5985-01-219-2475
NSN 2925-01-330-2988
NSN 4140-01-048-5472
NSN 5925-00-186-0765
NSN 6220-00-971-8332
NSN 5925-01-017-1036
NSN 6610-01-507-9476
NSN 5975-01-258-1046
NSN 5975-01-116-6269
NSN 6650-01-211-9642
NSN 2925-00-371-2285
NSN 5920-00-880-6581