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 5996-01-198-2127
NSN 6135-00-856-1343
NSN 5905-00-221-3346
NSN 5935-00-355-1618
NSN 5835-01-477-0137
NSN 6620-01-657-6296
NSN 5950-00-959-3285
NSN 5950-00-328-9895
NSN 6105-00-549-2668
NSN 6610-01-362-4897
NSN 5990-00-984-9057
NSN 6650-00-862-7143