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 5930-00-636-8888
NSN 6130-01-346-2156
NSN 5935-00-510-4496
NSN 6240-00-560-5426
NSN 5965-01-165-8516
NSN 5985-01-332-6684
NSN 5996-01-229-1683
NSN 5910-01-531-2114
NSN 5999-00-379-9466
NSN 6150-01-307-3635
NSN 6240-00-810-3774
NSN 5915-01-470-3682