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 6240-00-334-6766
NSN 5895-00-728-3655
NSN 5920-01-361-8835
NSN 6240-00-726-4547
NSN 5835-00-170-5238
NSN 6685-00-863-6350
NSN 5935-00-244-0935
NSN 4140-00-008-1875
NSN 5910-00-401-1202
NSN 6650-01-486-6099
NSN 5985-01-431-7448
NSN 7035-01-599-1694