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 6150-00-820-2176
NSN 5895-01-232-3107
NSN 5975-01-408-2736
NSN 5990-01-419-0661
NSN 5855-00-832-9341
NSN 5945-01-222-0847
NSN 6220-01-317-2151
NSN 6110-00-916-0520
NSN 6110-01-156-0388
NSN 6240-00-573-7514
NSN 5925-01-311-7350
NSN 6105-00-235-7982