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 2925-00-845-1480
NSN 6145-01-015-5872
NSN 5930-01-158-5385
NSN 5905-00-237-8061
NSN 5835-01-495-0595
NSN 5945-01-562-5766
NSN 6240-01-486-3715
NSN 5990-00-492-5063
NSN 5920-00-901-7419
NSN 4140-01-384-4389
NSN 5895-01-254-9967
NSN 5905-01-494-4116