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 5915-00-936-6033
NSN 6150-01-198-2070
NSN 5925-01-082-0591
NSN 5999-01-230-0484
NSN 5935-00-866-4327
NSN 7035-01-621-5817
NSN 5835-00-891-2232
NSN 5996-00-754-6153
NSN 2925-01-614-3634
NSN 5999-00-449-7860
NSN 5975-01-202-7423
NSN 6220-00-823-6688