Atlas Copco Transducer-QRT50-100, part number 4230 1642 90, is a replacement transducer assembly for the QRT50-100 nutrunner family. As a spare part, it provides torque feedback to the tightening controller to enable accurate, closed‑loop operation in inline and fixtured nutrunners. The part is listed as a non-returnable spare part in supplier catalogs and is shown alongside related QRT50-100 components (for example 4230 1705 80) in Atlas Copco listings. Used with Atlas Copco electronic nutrunners within fixtured assembly solutions, it supports precise torque data exchange to maintain consistent tightening performance.
