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 5960-01-163-8905
NSN 6135-01-285-8807
NSN 5996-00-972-7331
NSN 5975-01-110-7686
NSN 6150-01-381-1034
NSN 5999-01-383-8302
NSN 6135-01-394-4160
NSN 5930-00-937-4897
NSN 5985-01-477-7819
NSN 6110-01-208-4920
NSN 5999-00-902-7929
NSN 5965-00-076-9561