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 6610-01-007-4252
NSN 5960-01-252-8821
NSN 5895-00-730-3941
NSN 6105-01-443-6858
NSN 5965-01-274-4003
NSN 5985-01-410-3435
NSN 6620-01-307-4037
NSN 5895-00-596-8678
NSN 6685-01-265-5107
NSN 4140-00-117-9820
NSN 6610-01-516-7278
NSN 6620-01-094-6549