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 5935-01-444-4236
NSN 6650-01-618-5317
NSN 5996-01-492-9445
NSN 5935-01-436-6387
NSN 5920-00-362-1376
NSN 4140-01-565-9408
NSN 6650-00-959-6869
NSN 5960-00-933-4396
NSN 5835-01-337-8635
NSN 5905-01-253-0460
NSN 6620-01-025-1443
NSN 5910-01-033-0013