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 5925-01-647-1651
NSN 6240-01-531-8616
NSN 7035-01-545-3212
NSN 6610-01-229-3679
NSN 5998-00-587-3341
NSN 5835-01-349-5420
NSN 6240-00-717-0844
NSN 6105-01-188-7292
NSN 5925-01-301-6698
NSN 5996-00-963-1352
NSN 6240-01-633-9357
NSN 5990-01-580-2191