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 6110-01-224-6954
NSN 5910-00-197-4068
NSN 5960-01-104-0074
NSN 6610-01-500-5046
NSN 5905-00-918-3559
NSN 5990-01-090-9312
NSN 5895-01-323-6413
NSN 7035-01-412-8322
NSN 5999-00-844-2893
NSN 7035-01-600-9023
NSN 6220-00-080-8472
NSN 5965-01-367-6483