yes, I crapped a cracker when I saw this:
Technical Bulletin, TB 9-2830-26, 44.
Reclamation of Chevrolet and GMC Hub Adjusting Nut and Oil Seal Assemblies, 3 pages.
PB 48330 - BSIR 4(4):330; 01/24/47
Now how to order a copy from the Library of Congress..... I bet that's gonna be cheap, easy and fast