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 6135-01-378-3331
NSN 5835-00-993-5406
NSN 6135-00-542-6216
NSN 5895-00-137-5366
NSN 6650-01-322-6431
NSN 5835-00-148-9719
NSN 5999-01-574-6268
NSN 5915-01-347-0104
NSN 6645-01-360-0293
NSN 6645-00-503-1379
NSN 6105-00-436-1791
NSN 6620-00-730-8699