2.685 IN. OVERALL LENGTH;1.620 IN. ID FIRST END;1.648 IN. ID SECOND END;THREAD SIZE 2.250-16;THREAD SERIES UNJ;THREAD CLASS 3A;SECOND END HAS FOUR HOLES TAP DRILL BY 0.260 IN. DEEP 10-32 UNF-3B THD BY 0.220 IN. DEEP PER MIL-S-7742 AND FOUR MORE HOLES UNTHREADED 0.188 MIN IN. AND 0.199 MAX IN. DIA