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 5930-00-173-6336
NSN 5930-01-146-3028
NSN 5965-01-540-0743
NSN 5910-00-245-2643
NSN 5965-01-433-9864
NSN 5990-00-419-0236
NSN 6240-01-099-6810
NSN 6150-01-623-2290
NSN 5905-01-240-3210
NSN 5996-01-434-6075
NSN 6650-01-538-6898
NSN 5925-01-497-1204