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 6105-01-585-6137
NSN 4140-01-529-5604
NSN 5985-00-917-0505
NSN 6610-00-950-7105
NSN 5960-01-436-4493
NSN 6110-00-880-1318
NSN 5985-01-211-2685
NSN 6135-01-231-4809
NSN 5996-01-485-0305
NSN 5905-01-342-6147
NSN 5950-00-525-2931
NSN 5965-00-964-1756