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 5920-01-085-5490
NSN 5950-00-584-1008
NSN 6240-01-264-6637
NSN 6240-01-425-1939
NSN 5895-00-089-2282
NSN 6610-01-169-1866
NSN 5985-00-133-5457
NSN 6645-01-643-0297
NSN 5920-01-353-6423
NSN 6650-00-020-6966
NSN 6130-01-054-3751
NSN 5975-01-518-7382