"STEEL,CARBON,QQ-S-00640,FS1009,1/2H. SURFACE TREATMENT,COATING,TT-C-490,TYPE 3,OVERALL EXCEPT OUTSIDE SURFACE OF EACH SIDE AND DOWEL PIN SURFACES. DIMENSIONS,8.250 IN. O/A WIDTH,0.125 IN. MATERIAL THICKNESS. TWO 0.281 IN. DIA HOLES AND TWO 0.250 IN.-28NF-2B THD HOLES. ONE DOWEL PIN BRAZED TO EACH SIDE OF FRAME."