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 5975-01-468-5411
NSN 5855-00-631-4565
NSN 5915-01-017-9290
NSN 6645-00-244-0359
NSN 5990-01-386-5561
NSN 6135-01-372-6985
NSN 5990-00-621-7457
NSN 5998-00-895-2722
NSN 6650-01-609-7257
NSN 5835-00-023-0780
NSN 6610-01-576-2606
NSN 6610-01-507-4356