If any are interested, the uptowngirljeni has evidently acquired the inventory of a 50+ year old vacuum repair shop.
I personally was seeking out replacement carbon brushes for my Royal Upright 994. Got two oem sets and she has boatloads of obscure brushes available along with parts and pieces for a variety of makes and manufacturers...
No affiliation just tossing it out for those in need!
Take good care and I hope the URL link works,
Russ