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 5990-00-301-3386
NSN 6110-01-209-4419
NSN 6320-01-652-3806
NSN 6620-01-091-9697
NSN 5935-00-012-4200
NSN 5950-01-620-3021
NSN 5999-01-368-3806
NSN 5935-00-368-3458
NSN 6620-01-435-7083
NSN 5895-00-422-4239
NSN 6685-00-021-6890
NSN 6320-01-399-6177