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 5950-01-057-2155
NSN 5895-00-949-7898
NSN 6645-01-191-5081
NSN 5945-01-020-7897
NSN 5975-00-917-2061
NSN 4140-01-203-2380
NSN 5960-01-142-5399
NSN 6135-01-487-6275
NSN 5996-00-461-3416
NSN 5998-01-595-4741
NSN 6150-01-011-7592
NSN 5945-00-999-5198