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 6145-01-461-8062
NSN 5920-01-163-3093
NSN 5925-01-325-6185
NSN 6610-01-199-7371
NSN 5998-01-418-7442
NSN 6150-01-565-3621
NSN 6685-01-152-2846
NSN 5990-01-633-9503
NSN 5935-00-513-7321
NSN 5925-00-209-0435
NSN 6610-01-431-7840
NSN 6135-00-073-8939