Lock washers to this standard may be used at temperatures up to 235 Grad Celsius max. for locking adjustable control rods to prevent rotation. These washers allow for positional adjustment and length variation of the rod body or the end fitting by turns of 180 Grad.
DIN 65363:1987 history
1987DIN 65363:1987-12 Aerospace; lock washers for flight control rods
1987DIN 65363:1987 Aerospace; lock washers for flight control rods