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 5945-00-891-8876
NSN 5910-01-537-5268
NSN 6130-01-576-2664
NSN 5835-01-368-4015
NSN 5835-01-464-2662
NSN 5925-01-331-4258
NSN 5910-01-607-2647
NSN 6610-00-558-0480
NSN 5915-01-447-6538
NSN 6110-01-449-7144
NSN 7035-00-931-9415
NSN 5930-01-303-2444