PIN GAUGES USED BY CALIBRATION TO MEASURE DISTANCES IN LASER MICROMETER CALIBRATIONS ON THE MANUFACTURING LINES AND IN QUALITY CONTROL RECEIVING INSPECTION (QCRI) USE THE PIN GAUGES TO CHECK THE INNER DIAMETER OF VARIOUS COMPONENTS TO ENSURE THEY ARE WITHIN SPECIFICATION. THESES ITEMS ARE MADE FROM HARDENED ALLOY OR HIGH SPEED STEEL

GIR'S 1 AND 6. TEXT TO HEADING 9031.