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 copper having a pressure rating of 850 kpa or over
NSN 4140-01-391-1974
NSN 6650-00-067-3572
NSN 6130-01-298-2948
NSN 4140-00-526-4505
NSN 5975-01-020-6448
NSN 5985-00-221-5566
NSN 5960-01-162-2304
NSN 6645-01-605-8796
NSN 5920-00-233-8690
NSN 5950-01-167-8181
NSN 5895-00-568-8304
NSN 6145-01-332-3416