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 steel
NSN 6610-01-543-3753
NSN 6610-00-694-8977
NSN 5905-01-650-6922
NSN 5920-00-189-0858
NSN 6610-01-263-2409
NSN 5990-00-908-0807
NSN 6650-01-502-6013
NSN 5965-01-546-2939
NSN 5960-01-567-1096
NSN 4140-00-490-9028
NSN 5960-00-764-4592
NSN 6240-01-499-4900