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 6650-00-614-1711
NSN 5990-00-140-4559
NSN 6145-01-430-9247
NSN 5895-01-472-2144
NSN 6130-00-262-3385
NSN 5999-01-249-4619
NSN 5975-00-419-9812
NSN 5920-00-847-6370
NSN 5998-00-541-8792
NSN 5905-01-390-1525
NSN 5835-01-047-8343
NSN 5965-01-625-7255