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 5835-01-076-4091
NSN 6130-01-414-5264
NSN 5990-01-143-2518
NSN 2925-00-596-9775
NSN 5910-01-607-8865
NSN 5855-00-763-2155
NSN 5915-01-246-4563
NSN 6145-01-575-5080
NSN 6130-00-126-5960
NSN 5835-00-707-6266
NSN 5935-01-581-7031
NSN 6145-00-493-4073