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 4140-00-200-0970
NSN 5945-01-037-9147
NSN 5905-01-205-3676
NSN 5915-00-863-2276
NSN 6130-01-658-5257
NSN 6150-00-146-3746
NSN 6320-01-039-5891
NSN 5935-01-315-7448
NSN 5930-01-475-4206
NSN 6105-01-542-0540
NSN 4140-01-387-9438
NSN 5998-01-142-1765