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 5930-01-441-9400
NSN 5996-00-373-9001
NSN 6650-01-568-5750
NSN 2925-00-964-7128
NSN 6610-00-939-6510
NSN 5975-01-345-9742
NSN 6110-01-534-6435
NSN 5930-01-381-3548
NSN 5998-01-577-7374
NSN 6105-00-099-8818
NSN 5835-01-502-9228
NSN 6110-01-238-5547