Steel, mil-s-6050 or steel, mil-s-6090 or steel, mil-s-6049 or steel, mil-s-6758; cadmium, qq-p-416, type 2, cl 2 or zinc, qq-z-325, type 1, cl 3; 1.130 in. O/a lg; centrally located shoulder 0.380 in. Lg, 0.500 in. Dia; 0.372 in. Min, 0.376 in. Max diameter both ends; threaded hole 1/4-28 unjf 3b rh through center of shoulder
