Matl steel, mil-s-6758, 4130; heat treat mil-h-6875, 150-180 ksi; 13.025 in. O/a lg; 1.076 in. O/a dia; one 0.531 in. Diameter hole centrally located along lg; chrome plated along shaft per qq-c-320, class 2d; cadmium plated at ends per qq-p-416, type 1, class 2
