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 5925-00-515-2438
NSN 5950-01-625-7614
NSN 4140-00-253-1801
NSN 5895-01-502-3615
NSN 5996-00-455-8299
NSN 5985-01-543-5811
NSN 5925-00-361-8836
NSN 6320-01-232-4664
NSN 5985-01-364-0961
NSN 5915-01-315-2029
NSN 5930-01-517-7847
NSN 6320-01-113-7647