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 6130-00-240-3296
NSN 5945-00-977-9804
NSN 5996-00-864-9450
NSN 5895-01-157-4741
NSN 5975-00-917-2066
NSN 5910-00-495-9056
NSN 5960-01-278-9394
NSN 5950-01-201-2316
NSN 5930-00-896-0619
NSN 5930-00-096-9202
NSN 5935-01-011-0008
NSN 5990-01-261-2962