A833 disassembly - Hangup - Main shaft wear?

I’m breaking down the main shaft gear sets. The front came apart just fine, but after removing the last snap ring under the 1&2 clutch hub assembly on the tail half, I’m finding that the clutch hub assembly will not slide to the rear. It seems to be getting hung up on the splines just past the snap ring groove. The splines seem to be worn down so that the spline teeth on the hub won’t slide over/through.

When you look at the pics you can see the obvious deformity in the metal grooves/teeth at the outer edges.

Anybody run into this before? I’m wondering if there are any known methods to get over his last hump in the disassembly.

I’m assuming I could line up the teeth and just press it off, but I don’t want to risk ruining the hub and Main shaft just yet.

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