MIL-P-21143B, MILITARY SPECIFICATION: PIN, STRAIGHT, HEADLESS (DOWEL) GENERAL SPECIFICATION FOR (20-JUN-1984) [S/S BY NASM21143]
MIL-P-21143B, MILITARY SPECIFICATION: PIN, STRAIGHT, HEADLESS (DOWEL) GENERAL SPECIFICATION FOR (20-JUN-1984) [S/S BY NASM21143]., This specification covers solid, cylindrical,steel, headless straight pins, which are commonly referred to as dowel or machine pins.