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 5950-00-902-6448
NSN 5925-01-339-3450
NSN 6145-01-634-0388
NSN 5895-00-009-5698
NSN 5996-00-706-9390
NSN 6240-00-275-1950
NSN 6105-01-146-5749
NSN 6610-01-352-6344
NSN 5965-01-533-7687
NSN 6130-00-118-0656
NSN 6220-00-167-5441
NSN 6135-00-519-1325