KB3 Ilco KB1 Ilco 1649 Ilco 1663 Ilco BMB3 Silca BD517 Blue Dog BD518 Blue DogDE
Kimball Various products using key codes between 001-125. National Various office equipment by National. Original key is usually brass in color and has National in raised letters on one side and code on same or flip side. NCL, National Cabinet Lock Various products.