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 7035-00-585-2113
NSN 6620-01-443-8431
NSN 2925-01-400-2286
NSN 6610-00-278-7647
NSN 5999-01-513-3883
NSN 5996-00-494-6920
NSN 6105-01-596-0865
NSN 5910-00-918-2467
NSN 6130-00-431-8804
NSN 5965-01-051-0126
NSN 6150-00-189-0292
NSN 6135-00-643-4843