Drive Sleeve, part number 84-1462-6 (also marked 8414626). New / new-old-stock, stainless steel. Approximately 4 inches overall length as shown next to a tape measure in the photos. One end has external machined threads; the body has a milled keyway/slot along one side and a plain cylindrical shank on the opposite end. The part itself carries no manufacturer name or nameplate; the only identification is the handwritten part number 84-1462-6 on the original poly bag. No catalog reference for this part number could be located, so no manufacturer, material grade, or application is claimed beyond what is visible. Multiple available. 

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