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 5996-00-933-7738
NSN 5965-01-464-3372
NSN 6220-01-490-6316
NSN 6650-01-460-0330
NSN 6620-00-737-9762
NSN 5960-00-597-2680
NSN 5925-00-948-3296
NSN 6105-01-141-6912
NSN 5985-01-324-7767
NSN 6105-00-148-3670
NSN 6220-01-427-2333
NSN 5975-00-724-8501