Original Makita flat washer — part no. 253084-9 — a thin metal flat washer with a 12 mm bore, made to the same specification used in Makita assemblies.
This small spacer sits between mating parts to distribute load and keep shafts and nuts centered; it’s the replacement flat washer called out in Makita parts diagrams and price lists.
Common models that use part 253084-9 include several Makita angle grinders and rotary/percussion drills — examples listed in parts diagrams are 9564CV, GA4540 / GA5040R, GA5090 and some drill models such as 8419B and HR4002/HR4011C.
If your repair requires the original Makita washer, this genuine Makita 253084-9 is the exact-fit flat washer (12 mm bore) specified in the parts breakdowns — a simple, low-cost part to restore proper spacing and function in the related assemblies of those tools.
Note: this listing describes the washer itself (flat washer / thin spacer, 12 mm bore) so you can confirm it matches the position shown in your tool’s parts diagram before installation.
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