First your asking about axle flange to drum hub gasket and bolts. Now something about rear diff cover?
GMpartsGiant.com. Gives the size, type of hardware, even if it's no longer available. Get the info from the source.
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These are pictures of a 1976 c20's 14 bolt full float. The question I am asking is the gasket that sits on the axle hub, that goes under the axle shaft. I shouldnt have to define these terms. The axle shaft looks like this:
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The gasket that sits under the end of that against the hub. The hub is the part that bolts onto the axle housing that either gives you your backing plate , your drum brake, and your lug studs for your wheel and/or rotor/drum to be bolted on. For purposes of the different types of drum brakes, disc brakes, and all that jazz, it doesnt matter, because the axle shaft in all the axles being discussed have the same bolt pattern to retain and have the same size diameter, at least externally, but while there may be differences in some dimension or something they do the same job between all that will be mentioned.
So are we understanding terms here lol?
On the AAM vs corporate, this may just be because of the two distinct communities ive understood refer to the axles. When I say corporate 14 bolt, I do know that AAM split off from GM and still produced the same axle for GM, I was just under the understanding it had a significant change in like 2002. I could be wrong to that so I am open to be taught haha. I use AAM to refer to my 2005 2500hd 14 bolt rear end (with g80, 4.10, disc brakes with drum in hat parking brake). I use corporate to refer to my 1976 C20 14 bolt which is not in use as a truck axle but it is from one.
I know they are both 10.5 ring gears, and that they have a pinion support, and they to my knowledge can accept eachothers carriers/gears they are that similar? but i figured there would be metric hardware inside the 2005 or at least on the outside. maybe not?
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not the best comparative pics, but theres the pumpkin cover.