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 5945-01-268-1280
NSN 6145-01-154-9606
NSN 6105-01-361-1982
NSN 6650-01-411-6292
NSN 5935-01-039-9250
NSN 6610-01-386-0647
NSN 6135-00-643-4843
NSN 5945-01-299-9700
NSN 5985-00-244-1916
NSN 5996-01-065-3440
NSN 5920-01-097-5447
NSN 6650-01-024-9554