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 5999-00-446-6851
NSN 5835-00-289-9080
NSN 6610-00-223-9457
NSN 5895-00-201-3651
NSN 6610-00-340-2430
NSN 5835-01-113-4604
NSN 6650-01-355-1271
NSN 5915-01-488-7654
NSN 5920-01-491-7008
NSN 6610-01-074-8158
NSN 5960-01-597-6288
NSN 5910-01-548-4539