"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.; DIA 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"