WTD: Intercom Switches for Battleship

[Eugene Balinski]

Sounds similar to the PTT switches from the military
 LS-147 intercom system.   These are being pulled from
service and may start to be available from surplus houses
or ebay.

Just a thought...

73 and good luck,

   Gene K1NR

Might check here also  http://www.steelsoldiers.com/


On Sun, 30 Aug 2009 16:20:04 -0700
 "J. Forster" <jfor at QUIK.COM> wrote:
> The volenteers on Battleship Massachusetts at BattleShip
> Cove in Fall
> River are trying to restore to working condition the xxxx
>  intercom
> system. Each station has a speaker which doubles as a
> microphone, an audio
> power amplifier, and the necessary switching.
> 
> The immediate problem is that about 6 of the Talk-Listen
> switches have
> been damaged beyond repair, likely by excessive force.
> They do not appear
> to be available, other by special order from the maker,
> which is well
> beyond the resources available.
> 
> The switches are a bit odd: They are two position rotary
> switches, but
> momentary contact. One of the two positions is spring
> loaded, so if the
> knob is released from the TALK , the switch returns home
> to the LISTEN.
> The switch has two wafers, and each wafer is 3-pole;
> 2-position.
> 
> The switch was made by Centralab, P/N 2BFX6977.
> 
> Does anyone have a catalog or data sheet that lists this
> number? Ideally,
> I'd like the part numbers for the actuator part and the
> phenolic wafers so
> the needed switched could be assembled from bits
> scavenged from other
> switches.
> 
> Also, does anyone know of a source of such switches or
> the constituent parts?
> 
> Thanks,
> -John
> 
> ================
> 
>
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