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 4140-01-203-8713
NSN 7035-00-096-9986
NSN 5990-01-054-3332
NSN 5925-01-605-1810
NSN 5960-00-539-7914
NSN 2925-00-450-7783
NSN 5925-00-699-1111
NSN 5935-01-450-1318
NSN 5855-01-340-6541
NSN 5855-01-392-1110
NSN 5950-01-339-5097
NSN 6620-00-764-6626