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 5910-00-554-1422
NSN 2925-00-964-7128
NSN 5855-01-380-9950
NSN 5960-01-358-2832
NSN 5990-01-016-4194
NSN 5945-01-250-3254
NSN 4140-01-266-5082
NSN 5945-00-816-9717
NSN 6135-01-387-0754
NSN 6145-01-275-5924
NSN 6685-01-588-0672
NSN 6145-00-787-7313