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 2925-00-132-1280
NSN 6240-00-467-7295
NSN 6220-01-475-7687
NSN 2925-01-415-0264
NSN 6110-00-776-5961
NSN 6645-01-468-7669
NSN 5985-01-366-9524
NSN 6145-01-392-1116
NSN 6620-01-617-3915
NSN 5855-00-472-2055
NSN 6685-01-260-5314
NSN 5935-01-461-3099