MIL-STD-1515A, MILITARY STANDARD: FASTENER SYSTEMS FOR AEROSPACE APPLICATIONS (12 JUL 1978) [S/S BY NASM1515]., This standard covers the methods of fastening, materials, finishes, test methods, and hole size and criteria of fasteners and fastening systems used in the design and construction of aerospace systems. In addition, it provides a comprehensive presentation of approved engineering practices, procedures, processes, and characteristics for fasteners.