"MATERIAL: ALUMINUM ALLOY,QQ-A-283,ALLOY 75S,T6; OVERALL DIMENSIONS: 7.500 IN. FLANGE O.D.,0.990 TO 1.000 IN. THICK,5.860 IN. SLEEVE O.D.,6.955 TO 6.960 IN. BOLT HOLE CIRCLE FOR HOLES IN FLANGE (IN THREE SECTIONS),AND I.D. IS THREADED WITH THE FOLLOWING THREAD DIMENSIONS: 4.7660 TO 4.7695 IN. MINOR DIA AND 5.075 TO 5.095 IN. MAJOR DIA"