Cold rolled steel; 55, 000 lbs per square inch min yield strength at 0.2 pct offset and 12 pct min elongation in 2.0 in; 0.745 in. Outside dia; 0.937 in. Long; internal threads, 3/8-16unc-2b by 0.437 min full thd csk 90 degrees to 0.470 dia; nut, connector f/stabilizing rod component of zuni rocket motor