Beryllium copper 1aw qq-c-533 (sm1886-02), alloy no. 172 cond 1/4 h, 0.022 in./0.018 in. Thk; finish sd1065; 2.450 in. Lg; w equals max 0.225 in. Or min 0.195 in.; h equals max 0.035 in. Or min 0.025 in.; diameter 2 holes 0.120 in. From left end (in line within 0.015 in.) max 0.100 in. Or min 0.096 in.; dim. Of hollow u-shaped design max 0.120 in. Or min 0.100 in.; u-shaped cutaway 0.480 in. From left edge, 0.060 in. Radius max