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 6105-00-959-5468
NSN 5935-01-353-6216
NSN 6145-01-658-1595
NSN 5990-00-443-8269
NSN 5895-01-411-5585
NSN 5895-01-209-0965
NSN 5996-01-048-5196
NSN 6240-01-100-7105
NSN 5975-01-491-0735
NSN 6130-00-471-1868
NSN 6105-00-726-6987
NSN 7035-01-463-6559