"2.999 TO 3.000 IN. OD; 2.7062 TO 2.7064 IN. ID; 2.808 TO 2.813 IN. DP; MATERIAL BERYLLIUM; 0-80 UNF-2B THD,.19 IN. DP,6 HOLES EQUALLY SPACED ON A 2.822 DIA BOLT HOLE CIRCLE LEFT SIDE; 0-80 UNF-2B THD,.19 IN. DP,8 HOLES EQUALLY SPACED ON A 2.822 IN. DIA BOLT HOLE CIRCLE RIGHT SIDE"