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 6240-01-123-4998
NSN 5915-00-525-4615
NSN 5925-01-531-6177
NSN 6650-00-035-9297
NSN 5996-01-633-7979
NSN 6150-01-450-1400
NSN 5925-01-144-8926
NSN 5990-00-295-0968
NSN 5835-01-013-6901
NSN 5996-00-863-6142
NSN 5895-01-098-8983
NSN 5998-00-206-6613