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 5945-01-506-0974
NSN 5975-01-444-1480
NSN 5920-01-540-6499
NSN 5998-01-531-7565
NSN 5945-01-130-0317
NSN 6650-01-467-8818
NSN 6105-00-246-5311
NSN 6105-00-299-6373
NSN 5996-00-288-1829
NSN 5998-01-428-9545
NSN 5905-00-618-1611
NSN 6130-00-964-9083