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 5990-01-581-1961
NSN 6320-01-631-7828
NSN 5960-01-137-1688
NSN 6130-00-712-8546
NSN 6110-01-476-9035
NSN 6320-01-029-2196
NSN 6685-01-494-0335
NSN 5999-01-579-1889
NSN 4140-01-512-0744
NSN 6240-00-729-9696
NSN 5990-00-179-2576
NSN 5965-01-431-8147