A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).
Classification: Other fittings nesoi of alloy steel not stainless
NSN 4140-01-159-6664
NSN 6240-01-431-3093
NSN 6220-01-065-1387
NSN 6240-01-310-8778
NSN 6685-00-017-9516
NSN 5985-01-190-2905
NSN 6645-00-551-8291
NSN 6105-01-399-0695
NSN 5999-01-200-5050
NSN 6220-01-193-1045
NSN 5965-01-607-5753
NSN 6610-00-051-4139