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 6685-01-584-2828
NSN 5935-01-208-9856
NSN 5930-00-098-5001
NSN 5965-00-043-3463
NSN 6135-01-142-2417
NSN 6105-01-527-7114
NSN 6650-00-279-5741
NSN 6610-01-119-3048
NSN 5965-01-445-7995
NSN 6240-00-102-4003
NSN 6685-00-775-8843
NSN 4140-00-282-9759