[Milsurplus] Identify this insulator?

[Mike Hanz]

NAVSHIPS 900,109 sez that it's an RF choke for FH, SH, and SJ radars, Hue:

Rated 3 millihenries at 1800 cycles and 0 amp DC.
DC resistance 45 ohms DC.  1525 turns #34DS.
Rated 1 watt maximum.
Multi-section, duolateral wound on a ceramic spool, housed in an oil 
filled ceramic container.
March 1942

73,
Mike

On 7/31/2011 8:29 PM, Hue Miller wrote:
> I found this CML-47195 insulator. It almost looks like a feedthru, but both
> halves,
> terminated by screw thread and solder lug, are butted up against each other
> and
> provided with a metal bracket to secure it to a chassis. Must be just as a
> tie point
> for superhigh voltage? Like in an antenna tuner?