They are indeed separate parts.
What you are describing is the grid collet which is normally used in VHF and
Eimac P/N 720359 (although I have also seen another listed as Eimac P/N
Johnson might have made one also but I do not know under what part #.
They were also used with the 3CX400A7/8874
It is a round flat silver plated disc with fingerstock soldered to it. The
socket is on the bottom of the chassis, and the collet on the top of the
chassis, using the same screws that went through the socket.
Most VHFer's build their own as they always seemed to be hard to find and
----- Original Message -----
From: "Mike & Becca Krzystyniak" <firstname.lastname@example.org>
To: "'Mike & Becca Krzystyniak'" <email@example.com>; <firstname.lastname@example.org>
Sent: Tuesday, April 03, 2012 10:44 AM
Subject: [Amps] WTB Supplemental Question: E.F. Johnson socket
#124-311-100for Commander II amp (early Stein model)
> Thanks to the many for your replies.
> I have looked at RF parts and the graphic on the substitute only shows
> an 11 pin socket.
> In the Commander II I have, the 11 pin socket appears to be part of a air
> system like socket with a flange collar to the chassis and also a finger
> stock grid ring.
> Is it possible the RF Parts socket a sub assembly of the collar flange?
> Thanks again for everyone help here.
> 73 Mike K9MK
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