QQ-C-530C, FEDERAL SPECIFICATION, COPPER-BERYLLIUM ALLOY BAR, ROD, AND WIRE (COPPER ALLOY NUMBERS 172 AND 173) (10 APR 1991) [S/S BY ASTM-B196, ASTM-B197, AND ASTM-B194]

QQ-C-530C, FEDERAL SPECIFICATION, COPPER-BERYLLIUM ALLOY BAR, ROD, AND WIRE (COPPER ALLOY NUMBERS 172 AND 173) (10 APR 1991) [S/S BY ASTM-B196, ASTM-B197, AND ASTM-B194].