Similar to collins counter, wheel p/n 015-3075-010
General Description
1matl delrin (black); single width number wheel, type d, with shortened hub; o/a diameter 0.995 in. Min, 1.005 in. Max; o/a thk 0.369 in. Nom; wheel to be black with white letters x and y 0.250 in. Tall, 0.172 in. W, with lines 0.031 in. W, 36 degrees apart, each 18 degrees from 0.105 in. Min, 0.107 in. Max diameter hole which is 0.310 in. Min, 0.316 in. Max from center of wheel, opposite two tooth segment of 20t-22p-gear; hub 0.314 in. Min, 0.320 in. Max lg has 0.31 in. Diameter and hole with 0.1875 in. Min, 0.1885 in. Max dia