I have only found one source for front hub felt bearing seals for a 1929 Nash special. 1925-30 Nash Adv Spec 480 Front Wheel Felt Seals Grease Oil p/n 30031 (Qty 2) eBay item number: 233208211251. US $33.95 I found a source that does not have the felt seals but give a Nash P/N for them. 5M0148 Seal Axle Front Wheel.Felt only 2 For Reference Only. Hagen's auto parts & machine the seal appears to go over the flange which is on the back of the hub and then the hub flange with seal goes into the flange on the backing plate. I may just make my own felt seal out of the correct felt material. trying to understand the fitment of this seal. I read the seal should be coated in grease to keep water out of bearings. I have a rough idea of the ID, OD and thickness of the needed felt seal. not sure as for how the felt seal fits into the flange on backing plate. any ideas?