"GAGE,CLEARENCE ENVELOPE-NO 4 BEARING SCAVENGE TUBE,INTERNAL; INSPECTS END POINTS AFTER BRAZING OF TUBE COMPONANTS; HOLDS TUBE ASSEMBLY AT THE CONNECTOR GAGE POINT FOR A CLEARANCE ENVELOPE CHECK OF THE TRANSFER TUBE AND FERRULE TUBE ENDS; RECTANGULAR STAINLESS STEEL BASE; 3 UPRIGHT LOCATOR BLOCKS; 2 SHOULDER BOLTS; SMALL LOCATOR PINS; STORAGE CONTAINER"