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 iron or nonalloy steel
NSN 4140-00-171-1387
NSN 6110-01-555-7446
NSN 6610-01-216-9542
NSN 6650-00-353-4097
NSN 6130-00-740-3884
NSN 5965-00-139-1039
NSN 5930-00-796-0072
NSN 6320-01-506-9439
NSN 5895-01-351-8244
NSN 5945-00-767-4875
NSN 6145-01-264-9199
NSN 6620-01-618-2962