.... You would think these companies would do a little research before they sell you something. ....
or maybe buyers should do a bit of research before buying? you might have asked what the measurement was for the part, or what options were available for a part that's been obsolete for decades
"
These four-ply laminated brass shims of 0.002 in./ply are essentially identical to the original shims but are plastic laminated to facilitate separation." sounds like a stack of .002 shims, peel off what you need, .002, .004, .006, .008
Bill