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 6645-01-296-9769
NSN 5835-00-679-2389
NSN 5930-01-291-3262
NSN 5998-01-634-0604
NSN 5990-00-371-6590
NSN 5965-01-282-4587
NSN 4140-00-218-3579
NSN 5905-01-193-8654
NSN 6620-01-436-2715
NSN 5930-01-607-7256
NSN 5999-00-126-7160
NSN 6135-01-199-1185