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 6620-01-572-4486
NSN 6110-01-099-4334
NSN 6650-01-459-0571
NSN 5895-00-376-5074
NSN 5935-01-518-0458
NSN 5990-00-275-7819
NSN 5945-01-135-4014
NSN 6645-01-528-1635
NSN 6650-01-029-7409
NSN 5915-01-297-0818
NSN 6650-01-423-9772
NSN 6320-01-323-7565