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 5965-00-997-5764
NSN 6220-01-460-9274
NSN 5975-01-047-7597
NSN 2925-01-574-4413
NSN 2925-01-509-0767
NSN 6240-00-735-7599
NSN 6610-00-217-2194
NSN 6135-01-507-4346
NSN 5950-00-714-2302
NSN 5975-00-141-0554
NSN 5990-01-346-5422
NSN 5925-01-466-6263