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 materials other than copper, iron or steel
NSN 5960-01-484-7966
NSN 4140-00-542-4611
NSN 5975-01-258-4339
NSN 5965-01-521-2786
NSN 5998-01-303-6206
NSN 5855-01-550-5219
NSN 6150-01-648-5198
NSN 6645-01-324-8185
NSN 5915-01-012-1854
NSN 6610-01-616-5452
NSN 6220-00-696-0324
NSN 6620-01-476-7355