MIL-STD-17B/2, MILITARY STANDARD, MECHANICAL SYMBOLS FOR AERONAUTICAL AEROSPACECRAFT AND AEROSPACECRAFT USE (PART 2) (23 JAN 1963) [S/S BY ASTM-F1000,

MIL-STD-17B/2, MILITARY STANDARD, MECHANICAL SYMBOLS FOR AERONAUTICAL AEROSPACECRAFT AND AEROSPACECRAFT USE (PART 2) (23 JAN 1963) [S/S BY ASTM-F1000, ASTM-F856, OR ASME-Y32.2.6]. MIL-STD-17B-2 contains a listing of graphical mechanical drawing symbols for aeronautical, aerospacecraft and spacecraft use. These mechanical symbols should be used by all who have occasion to prepare schematic drawings for aeronautical, aerospacecraft and spacecraft for the Departments of the Army, the Navy, and the Air Force.