1/2" npt
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 5996-00-262-5094
NSN 2925-00-233-5644
NSN 6240-01-492-9733
NSN 6620-00-041-3406
NSN 6150-00-099-6919
NSN 5998-00-308-4297
NSN 6620-01-225-3825
NSN
NSN 6620-01-408-4464
NSN 5855-00-110-9341
NSN 5985-01-062-4295
NSN 5996-01-449-8184