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 5855-00-014-5008
NSN 6145-01-425-3373
NSN 5855-00-237-4088
NSN 6620-01-346-9340
NSN 2925-01-327-3069
NSN 5945-00-117-1109
NSN 5996-01-345-2043
NSN 5895-01-491-1554
NSN 5960-01-528-1147
NSN 6610-01-276-7087
NSN 5855-01-147-0705
NSN 5915-01-306-9626