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 5945-00-362-7192
NSN 4140-00-632-6169
NSN 6145-01-459-9249
NSN 6610-01-445-9580
NSN 5835-00-789-1454
NSN 5895-00-959-2284
NSN 5975-01-607-3282
NSN 5910-01-633-6767
NSN 5915-01-060-5557
NSN 5965-01-386-2988
NSN 5925-01-558-4213
NSN 6240-01-444-2227