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 5925-00-283-6528
NSN 5910-01-363-2828
NSN 5998-01-340-2684
NSN 5930-00-155-8741
NSN 5990-01-400-3299
NSN 6320-01-462-2295
NSN 5990-01-225-5374
NSN 5855-01-617-6560
NSN 6645-01-213-8236
NSN 5996-01-371-2958
NSN 6105-01-284-6983
NSN 5996-01-429-5712