Cross reference bolt and screw part numbers

[kljfamily]

Hello

1965 c10. 230 i6

I bought the assembly manual which is great for my c10.

I am frame up restoring and currently everything is apart but ready to go back together.

In the assembly manual it gives me Chevy part numbers for all the bolts nuts ect.

When I try to look up these part numbers they don’t cross. For example partt# 3765903 screw.

Has anyone already figured out a source or a link to the description of these bolts and screws?
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