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 5965-01-224-9756
NSN 5990-00-586-6435
NSN 5895-01-363-9865
NSN 5950-00-907-9549
NSN 5945-01-496-6134
NSN 5960-01-350-5332
NSN 5960-01-617-6345
NSN 6110-00-521-8932
NSN 6130-01-350-1466
NSN 6685-00-907-7666
NSN 6240-01-537-9406
NSN 6110-01-558-4374