"SERD 0394;RQRD TO CHECK RADIAL MOVEMENT RQRD IN COMBUSTION FUEL INJECTOR GUIDE;9.4 IN. LG BY 1.8 IN. DIA;GAGEPLUG IS STEEL ROD C/O A HANDLE,CONTROLLED DIA W/FLANGE,AND TANG;TANG IS AT RIGHT ANGLE TO THE AXIS OF DIAMETERS AND HAS ECCENTRIC RADIUS ON END;USED W/INSPECTION FIXTURE;PLUG IS INSERTED INTO FIXTURE BUSHINGS AND ROTATED TO CHECK MOVEMENT"