This standard specifies the characteristics of lock washers in corrosion resisting steel vith radial serrations primarily intended for flight control rods.
These lock vasbers are intended to immobilise the end fltting in relation to tbe rod body, vhilst allowing a precise positional adjustment.
SIS SS-EN 2546-1988 history
1988SIS SS-EN 2546-1988 Aerospace series — Washers, lock with radial serrations in corrosion resisting steel — Dimensions