Nitralloy, nitride all over except thds to rock well hardness c34-38, 15n 90 minutes case depth 0.003 in. Min, 0.007 in. Max, 6.602in. Lg, 0.99 in. Min, 1.01 in. Max diameter small end, 2.000 in. Diameter ballon one end, 0.8656 in. Min, 0.8737 in. Max od 7/8-20 unef-2a thd, used on gearbox assembly part no. 541810-5-1, f-111 acft
