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 6240-01-631-4066
NSN 5998-01-631-2470
NSN 6135-01-593-9256
NSN 6105-00-006-9803
NSN 6135-01-575-8362
NSN 6685-01-531-5963
NSN 6620-01-004-7072
NSN 6135-01-185-3614
NSN 6145-00-814-3191
NSN 5996-01-642-3221
NSN 5920-01-643-0818
NSN 6610-00-935-7131