...Sell It!
I use to Machine the Drivers' Side 'Gill', for the 'Aircraft' Fuel Filler-Caps; for a few Customers. Be advised, there are 2-3 Different Designs/Styles, for the 'Slats' of the Gills. The Gills are NOT All the Same! Just Search for One, and You will come up with Photos of Differences.
I had to warn customers, I charged them a Lot, as Insurance...When Clamping the Gill on the Mill Table, Only Tight Enough to keep the Work from Moving; the Alloy Gill should Break...I would be responsible to Find and Purchase a Replacement. And Matching with a Replacement, could prove Very Difficult and Iffy at Best. Look Close at the Part You wish to Match this Cap to, so as to avoid any Disappointment.
MJ