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 5999-00-626-3624
NSN 6130-01-287-8524
NSN 5965-01-555-8007
NSN 6135-00-803-3012
NSN 5990-01-083-7581
NSN 5910-00-214-9332
NSN 6610-00-918-3389
NSN 5960-00-588-8966
NSN 6110-00-359-5571
NSN 6145-00-116-7810
NSN 6145-00-244-2946
NSN 6105-01-245-8932