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 5935-01-130-6451
NSN 5990-00-356-8911
NSN 6240-01-175-3877
NSN 5985-01-423-8577
NSN 6685-01-391-6010
NSN 6610-01-448-8904
NSN 6220-01-174-2035
NSN 6135-00-683-0536
NSN 2925-00-898-9135
NSN 5925-01-045-8700
NSN 6150-00-956-8679
NSN 5905-01-237-4777