[Heathkit] Heathkit part ID help Appreciated

[Greg Mijal]

Hi:

I acquired a Heathkit radio part that I am trying to identify.
It looks like a plate tank circuit coil on a fiberglass form.  Part number 40-644.
My question is: What Radio? If you know which radio it is from can you tell me what the power tube(s) is and what is the value of the plate tuning cap? My best guess is the "Cheyenne" transmitter.
Photo:
http://home.earthlink.net/~bluebirdtele/rb.jpg
As a side note, I heard that someone was cataloging Heathkit part numbers on the web but was unable to locate it.
Thanks for your help
Greg
WA7LYO
in sunny Feenix