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 6645-01-396-6976
NSN 6105-00-775-6072
NSN 5895-01-132-7357
NSN 6150-00-891-5957
NSN 5985-00-518-1633
NSN 6150-00-155-3578
NSN 6130-01-567-0283
NSN 6150-01-303-1353
NSN 5950-01-157-8425
NSN 5999-01-278-0032
NSN 6610-00-921-1066
NSN 6645-01-432-1068