QQ-T-830A (AMENDMENT 1), FEDERAL SPECIFICATION: STEEL, CARBON, MECHANICAL, SEAMLESS AND WELDED (13-DEC-1961) [S/S BY ASTMA513 AND ASTMA519]
QQ-T-830A (AMENDMENT 1), FEDERAL SPECIFICATION: STEEL, CARBON, MECHANICAL, SEAMLESS AND WELDED (13-DEC-1961) [S/S BY ASTMA513 AND ASTMA519].