GAGE MASTER IS REQUIRED TO PRESET PWA72100 INDICATOR GAGE FOR OUTER DIAMETER MEASUREMENT OF THE SECOND STAGE FAN AIR SEAL P/N 4075236. STER CONSISTS OF TWO INDIVIDUAL MASTERS IN ONE STORAGE CONTAINER. IBRATED TO A PRELIMINARY MACHINING DIMENSION FOR SURFACE PREPARATION PRIOR TO PLASMA SPRAY. THE OTHER IS CALIBRATED TO A FINISH MACHINE DIMENSION AFTER COATING