KPA-28
BURNDY KPA-28 LUGS, ALLEN HEAD SCREWS, 4/0-6 - NEW SURPLUS, LOT of 3
A nice touch with Kluber is the online calculator for lubrication intervals.
KPA-28 Burndy 4/USTR-1/USTR Scrulug
You will find that this ultrasonic cleaning solution removes flux residues from circuit boards.