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 5950-00-257-3806
NSN 5960-01-048-3429
NSN 5910-01-169-8162
NSN 7035-00-286-6221
NSN 5930-00-821-6532
NSN 6620-01-649-7511
NSN 6145-01-364-0074
NSN 5835-01-116-2369
NSN 6150-00-155-3578
NSN 4140-00-944-2557
NSN 6610-01-005-1190
NSN 2925-01-497-9381