This zip file 033_2004_0001_(21mm_Rotary_3D).zip contains CAD files for the following:

21mm Rotary Target, pat number 013-1025_0001:

033_2004_0001_(21mm_Target_3D).STEP


These files are 3D STEP format, showing the exterior features only, at nominal dimensions.


These files are provided for convenience.  The part's datasheet remains the authoratitive reference.