I’ve tried looking up the part number with no success. It’s an IEC C16 on the front, and it basically extends an existing C16 and makes the connection more secure. Photos attached.
(Note that the tab on the male side appears to have been shaved down)
Hello BillBob234 and welcome to the DigiKey TechForum.
Unfortunately, I have been unable to find an adapter like the one in your picture in our catalog.