0.266" hole diameter 1.109" outside diameter 0.078" material thickness od of shoulder has 2 flats located 180 deg apart 0.687 in. between flats shouldered
0.330" hole diameter 0.750" outside diameter 0.120" material thickness navy special project chamfer on nonbearing surface of shoulder, 0.060 in. by 45 deg shouldered
0.340" hole diameter 1.000" outside diameter 0.060" material thickness navy special project drill 1 no. /30/ 0.127 in. min 0.132 in. max thru body shouldered
Used on w/s: communications program, combat theater (tri-tac) 4781; aircraft, viking s-3b; communication nodal control element (cnce) an/tsq-111. 0.145" hole diameter 0.307" outside diameter 0.031" material thickness shouldered