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 6105-01-381-6892
NSN 5895-01-496-1101
NSN 5835-00-155-1379
NSN 5998-00-724-7484
NSN 5996-01-023-7896
NSN 7035-00-521-4319
NSN 5905-01-461-7995
NSN 5910-00-978-9337
NSN 5965-01-426-8325
NSN 5960-00-636-4834
NSN 5998-00-475-7711
NSN 5910-00-555-3003