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 6320-01-326-1316
NSN 6610-01-090-3386
NSN 5960-00-654-7300
NSN 5985-01-076-4710
NSN 6620-00-366-1365
NSN 6320-01-425-1417
NSN 5855-01-278-8922
NSN 6220-00-632-0632
NSN 5855-01-274-5311
NSN 6130-01-445-6084
NSN 6220-00-066-6457
NSN 5855-01-103-8650