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 5855-01-464-5084
NSN 6105-01-265-5084
NSN 5915-01-297-2872
NSN 5930-00-315-3439
NSN 5915-00-004-6000
NSN 5895-01-480-1320
NSN 6145-01-041-6562
NSN 6320-01-484-7734
NSN 6130-01-073-2384
NSN 5965-01-607-5753
NSN 6650-01-596-8627
NSN 5950-01-260-8639