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 5920-01-497-7351
NSN 6650-01-571-9386
NSN 2925-01-465-3437
NSN 5945-00-176-0545
NSN 6650-01-043-4221
NSN 4140-01-267-3253
NSN 6105-01-249-6197
NSN 5935-01-633-9870
NSN 5965-00-568-5802
NSN 5910-00-478-4843
NSN 5930-00-783-8392
NSN 5996-01-547-7386