546638

General Characteristics Item Description: Steel, MIL-S-7420, dim., 0.160 in. nom od, 0.0655 in. min, 0.0700 in. max ID0.057 in. min, 0.058 in. max thick, id counterbored to 0.093 in. dia by 0.025IN. deep, max surface finish, left face 4 microinches rms or better, right facecounterbored side, 20 microinches aa, faces parallel within 0.001 tir