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 6320-01-436-9228
NSN 5895-01-429-1255
NSN 6145-00-730-3933
NSN 7035-00-868-2640
NSN 5935-01-458-9726
NSN 5895-01-202-6484
NSN 6105-00-968-7525
NSN 5835-00-465-3762
NSN 6620-01-026-0346
NSN 5990-01-633-9503
NSN 5985-00-061-6024
NSN 5930-00-945-6009