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 5895-01-071-4854
NSN 5910-01-602-8415
NSN 6220-00-887-9372
NSN 5965-01-599-8180
NSN 5945-01-595-6686
NSN 5835-01-436-6549
NSN 5960-00-669-8676
NSN 5965-00-505-2166
NSN 5905-00-686-1522
NSN 5910-01-364-6856
NSN 5935-00-669-2717
NSN 6130-01-058-6929