Allen-Bradley 420440170 Calibration Screw Assembly

This aftermarket Calibration Screw Assembly is a replacement part for Allen-Bradley 420440170, designed to substitute the original calibration screw in equipment that uses this part number. It is intended for use in systems that specify a 420440170 calibration screw, offering a like-for-like component to maintain compatibility with the existing calibration mechanism. The designation “calibration screw assembly” communicates its role as part of the equipment’s calibration process, supporting installation where the 420440170 specification is required. As an aftermarket option for the 420440170 calibration screw, this part provides a practical substitute that preserves the intended fit and function of the original assembly.