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 5975-01-226-6531
NSN 5945-00-601-6242
NSN 5910-01-382-0328
NSN 6105-01-048-9550
NSN 5985-01-646-3293
NSN 5930-01-500-6156
NSN 5945-01-392-6031
NSN 6610-01-630-5515
NSN 5910-01-406-6504
NSN 5996-01-195-4122
NSN 5999-01-509-1805
NSN 5960-00-343-2888