On Mon, 02 Jan 2006 12:51:47 -0800, Tamaroak
wrote:

I just took off both my Raytheon RAY210 VHF radios so I could replace
them with new DCS ones. Now I want to sell the radios, but misplaced one
of the power/data input connectors. They are four pin with a circular
lock ring.

Anybody out there have one of these floating around that needs a home?

Try looking in the Digikey catalog under connectors:

http://dkc1.digikey.com/US/PDF/T061/P1.html

http://www.digikey.com

Here's a possible match under "DIN type mini circular":

http://dkc3.digikey.com/PDF/T061/0276-0277.pdf