"304 CRES STEEL,PER QQ-S-763 OR ASTM-A240; PASSIVATE PER QQ-P-35; 0.9693 IN. ID; 4 SETS OF HOLES; FIRST SET OF HOLES CONTAINS TWO HOLES,0.2110 IN. DIA; 2.900 IN. DIA. CENTER TO CENTER DISTANCE BETWEEN HOLES; SECOND SET OF HOLES CONTAINS TWO HOLES,0.1040 IN. DIA; 1.670 IN. DIA. CENTER TO CENTER DISTANCE BETWEEN HOLES; THIRD SET OF HOLES CONTAINS TWO HOLES,0.188 IN. DIA; 2.25 IN. DIA. CENTER TO CENTER DISTANCE BETWEEN HOLES; FOURTH SET OF HOLES CONTAINS TWO HOLES,0.085 IN. DIA; 1.375 IN. DIA. CENTER TO CENTER DISTANCE BETWEEN HOLES"