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 5920-01-386-1195
NSN 6620-00-422-5866
NSN 6320-01-215-1133
NSN 5920-01-039-6118
NSN 6150-01-158-7136
NSN 5945-00-125-5499
NSN 5835-01-619-6270
NSN 6650-01-589-3585
NSN 5910-01-190-1162
NSN 2925-01-651-4870
NSN 6150-01-143-4899
NSN 6105-00-583-3998