| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIAL,ALUMINUM ALLOY,MIL-A-21180,GRADE A356,CLASS 10,AMENDMENT NO. 1,HEAT TREAT,MIL-H-6088,T6,TOP AND BOTTOM CASTINGS,TOP 4.495 IN. MIN,4.505 IN. MAX O/A H AND O/A W,1.655 IN. MIN,1.665 IN. MAX LG,BOTTOM 9.562 IN. NOM H,9.490 IN. MIN,9.510 IN. MAX W,10.235 IN. MIN,10.245 IN. MAX LG,TOP PROVIDED WITH FOUR ATTACHMENT HOLES,5/16-18 UNC,CLASS 2B THD,MIN FULL THD DEPTH,BOTTOM PROVIDED WITH FOUR ATTACHMENT HOLES,1/2-13 UNC,CLASS 2B THD,33 SECURING HOLES ALONG FLANGES OF ENTIRE ASSY |