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.
NSN 5950-00-072-7697
NSN 5910-01-021-6862
NSN 6645-01-331-5674
NSN 5905-01-607-6903
NSN 6145-00-560-5726
NSN 5935-01-449-7889
NSN 6620-01-457-9476
NSN 7035-01-022-1008
NSN 6105-01-473-9568
NSN 6220-01-056-8792
NSN 2925-01-573-1067
NSN 5935-01-480-8710