| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM CASTING,ALLOY A356 OR C355 CLASS-1,2,OR 3,SPEC. MIL-A-21180,2.940 IN. DISTANCE BETWEEN HOLE CENTERS ALONG THE LENGTH,0.2500-20 UNC-2B 82 DEGREE COUNTERSUNK TO 0.280 IN. DIA. ON THREADED HOLE,0.196 IN. MIN. 0.199 IN. MAX. DIA. UNTHREADED HOLE, |