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 6110-00-333-1174
NSN 6320-00-731-6134
NSN 6645-00-171-9639
NSN 6650-01-083-9706
NSN 5960-01-109-0768
NSN 6620-00-663-8962
NSN 6150-01-643-2971
NSN 5945-00-787-0345
NSN 6685-01-130-9401
NSN 6685-00-835-5201
NSN 5999-00-263-7874
NSN 5998-01-522-4275