1brass, astm b-16, 0.300 in. O/a lg, one end knurled 0.180 in. Lg, 0.191 in. Min, 0.194 in. Max dia, 0.060 in. Lg, 40 teeth per in. Other end 0.1875 in. Od, w/one external groove, 0.0088 in. Depth, 0.060 in. W, drilled hole 0.104 in. Dia, 0.140 in. Depth
