I suspect mine had been converted to a gq set up, as I dont have any washers that need to be bent over.
My set up is a nut that has finger's sticking up. A "star washer" locking washer, with a inner lug seats in the fingers. Then there is a circlip that holds the star lock ring / washer in place, plus another washer that holds the circilp in place.
Gq are the same as mq/k 2 lock nuts with a locking washer between.
Later gq had the same as gu run, a circle nut with i think 8 holes, 4 for doing the nut up with a special tool and the other 4 with a thread in them that is used to lock the nut with the aid of a thick washer, that needs to slightly modded to fit mq/k's
Tank I'm pretty sure what your discribing is the standard for auto hubs