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 5950-01-040-1939
NSN 5905-01-512-9136
NSN 5905-01-222-5874
NSN 6150-00-799-4528
NSN 6220-01-222-0724
NSN 6220-01-162-3293
NSN 5895-01-406-3729
NSN 6220-01-609-7059
NSN 6610-00-061-7882
NSN 5915-00-418-3849
NSN 6105-01-459-7235
NSN 6135-00-471-5356