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 5930-01-048-3677
NSN 5895-01-359-5090
NSN 6110-00-514-2639
NSN 6220-01-067-8142
NSN 5855-00-791-5000
NSN 5920-00-469-8051
NSN 5990-00-186-2445
NSN 5960-01-413-3877
NSN 5960-00-131-1218
NSN 5835-01-477-8903
NSN 6650-00-629-8027
NSN 6620-00-115-9050