C-17a acft
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 5905-00-725-4134
NSN 6145-01-068-4668
NSN 5855-01-312-5160
NSN 6130-00-053-1069
NSN 6240-01-237-5430
NSN 6610-01-044-4740
NSN 6610-00-837-3012
NSN 6620-00-906-1726
NSN 4140-01-424-7985
NSN 2925-00-875-2102
NSN 5910-01-243-6766
NSN 6150-01-394-7043