Consists of pad top p/n808821-3, extra firm grade a; pad side p/n808821-5, medium grade a; pad, side p/n808821-7, medium grade a; per mil-r-5001, type ii; cement pads -5 and -7 to -3 pad with stabond e-154 adhesive; 18.260 inch, 18.500 inch long; 3.180 , 3.420 inch wide