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 6110-01-535-6338
NSN 5960-00-584-4553
NSN 5905-00-518-2321
NSN 5910-01-048-5654
NSN 5855-01-018-1247
NSN 6220-01-373-7169
NSN 5910-01-648-3588
NSN 5945-00-754-3722
NSN 5965-00-110-3330
NSN 5999-00-827-0703
NSN 6650-00-494-1000
NSN 6110-00-215-8585