All: I've seen several post where a key and or the lock was needed, missing,
etc. This morning I think the search is over, one is on the way home for my
500.
URL
https://www.surpluscenter.com/item.asp?UID=2004121702154252&item=11-2253&cat
name=electric
Sure looks like the one in my RF deck, when it arrives I'll post the
reviews.
73's
Craig