"ALUMINUM,QQ-A-250/12,TEMPER T6,23.880 IN. LG,14.880 IN. W,0.125 IN. THK,W/47 HOLES 0.251 IN. MIN,0.258 IN. MAX DIA,COUNTERSINK FAR SIDE FOR NAS1624 SCREWS,IRREGULARLY SPACED,USED ON ACCESS DOOR INSTALLATION PART NUMBER 4W31064-101A,END ITEM AIRCRAFT MODEL NUMBER C5A"