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 6650-01-517-9452
NSN 6105-01-386-1529
NSN 5945-01-131-0134
NSN 5996-00-933-1590
NSN 6650-00-834-9062
NSN 6130-01-163-4220
NSN 5835-01-030-2519
NSN 6135-01-106-7740
NSN 6110-01-605-2450
NSN 5925-01-197-5846
NSN 5996-01-242-6634
NSN 5915-00-175-7095