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
NSN 4140-01-399-0330
NSN 6130-00-005-1633
NSN 5910-00-637-2609
NSN 6645-00-097-1748
NSN 4140-01-299-8775
NSN 6610-01-305-8863
NSN 6620-00-199-8734
NSN 5930-01-613-4393
NSN 5930-01-441-1712
NSN 5855-01-609-1869
NSN 5915-01-187-4931