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 5945-01-539-3095
NSN 6110-00-596-9124
NSN 6130-01-641-8505
NSN 5950-00-770-9422
NSN 2925-01-104-8163
NSN 5895-00-525-3295
NSN 5935-01-592-2078
NSN 6135-00-767-0331
NSN 6150-01-634-0575
NSN 5950-01-656-1137
NSN 6240-01-650-2640
NSN 5996-00-925-1953