Style and shape of the slotted spindle nut on the front hub has changed 2 times over the years.
Early 460 and 461 nuts (A460 990 01 60) had wider slots (8.5 mm), two shoulders and an outer diameter (OD) of 42.2 mm - inner diameter (ID) is 24.5 mm. Claw wrench (spanner) needed is: W460 589 00 07 00
This early nut is no longer available - it is replaced by A460 990 02 60
The replacement (A460 990 02 60), has smaller gaps (6.5 mm), a smaller outer diameter (40.0 mm), is thinner and has a flat shoulder on one side - inner diameter (ID) is 24.5 mm. Claw wrench (spanner) needed is W460 589 02 07 00
It was followed by yet another size for the 463. Slotted nut part number N07085 203 00 00. Outer diameter (OD) is 44.0 mm, it has a flat shoulder on one side - inner diameter (ID) is 28.5 mm. Claw wrench (spanner) needed is W463 589 00 07 00
