"CAVITY SINKING ELECTRODE (EDM);TOOL ASSY C/O 1 ELECTRODE,ITEM 2 REPRODUCING LGST INSIDE DIA OF HONEYCOMB SEAL AND 1 ELECTRODE,ITEM 3 REPRODUCING 2 OTHER HONEYCOMB SEAL INSIDE DIAMETERS;SUPPORTING TOOLS,HOLDER EDM ELECTRODES 856A5539 AND FIXTURE,INSPECT AND MACHINE OUTER STATIONARY AIR SEAL STG 2,856A5541"