RQRD TO INSPECT 4000 CYCLE/ILC CORE HPT DISK O.D. FRONT SNAP DIA;INCORPORATES ELECTRONIC OUTPUT FOR DIAMETRICAL MEASUREMENT AS WELL AS HEAT SENSOR TO MEASURE DISK TEMPERATURE DURING SNAP DIAMETER INSPECTION;MUST BE SET USING MASTER PWA56553;CONSTRAINED IN FIXTURE PWA56548;2ND STAGE HPT DISK 15.957-15.961 I.D. FRONT;SERD 6670