1)After the insert change the operator removed the part from the machine with-out measuring the part dimension, after identifying the oversize in the part the operator separated the part from the good ones without identifying with proper identification tag. Due to the lack of communication during the shift change the deviated part got mixed up with the good ones.</br>2)During the Final Inspection (FI) operation the quality inspector inspecting the part missed to ensure the proper dimension as the total batch quantity was 2,500 no's and the entire batch was inspected by a single quality inspector using the micrometer because the air gauge set was sent for calibration.