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 5920-00-399-7760
NSN 7035-00-834-2090
NSN 5930-01-357-6648
NSN 5915-01-511-7777
NSN 5999-01-555-8141
NSN 6135-00-497-0491
NSN 5950-01-578-8337
NSN 7035-00-897-7567
NSN 5930-00-436-9678
NSN 6105-01-513-9330
NSN 5990-00-339-2084
NSN 5999-01-478-9872