It is on this website.
OLD ONLINE CHEVY MANUALS Home page

Illustration of the 3/4 ton Rear axle is in this catalog.
1929 - 1957 Chevrolet Master Parts & Accessories Catalog
Click on Illustration Index,
Note: There are 3 pages of illustrations it is on the Illustrations 2 > page.
It is under: REAR AXLE-DRIVESHAFT-"U" JOINT,
There is a typo it reads 1/4 and 1 Ton Rear Axle it should read 3/4 ton and 1 Ton Rear Axle. page 468
Below the the illustration, You can Click to ENLARGE Page,

On the same website it also shows it in the 1929 - 1954 Master Parts and Accessories Catalog HERE
But it is sideways, you can rotate it by scrolling down and clicking on Rotate Page.
There is no typo on the 1929 - 1954 Master Parts and Accessories Catalog illustration PAGE.

The 54 shop manual does not show the packing but mentions oil seal in the retainer. Number 4