Product Description: Anodized finish, 0.438 in. od, 0.35 in. lg, 0.266 in. id with 0.15 in. min, 0.156 in. max diameter hole 0.25 in. deep, 0.15 in. min, 0.156 in. max dia hole thru od, 3/8-32 nef-3a thd on small end, used on actuator assy part no. 12c1450-811, f-111 acft