"GAGE-3RD STAGE TURB DISK, REAR...OUTER SNAP DIA.;SNAP DIAMETER INSPECTION GAGE WHICH INCORPORATES ELECTRONIC OUTPUT FOR DIAMETRICAL MEASUREMENT, ASWELL AS TEMPERATURE SENSOR TO MEASURE DISK TEMPERATURE DURING INSPECTION; GAGE MUST BE SET USING MASTER PWA57871 PRIOR TO USE;STORAGE CONTAINER INCLUDEDUSED ON F100-PW-229"