[Collins] 75S3B parts

[Bob and Sue Jefferis]

Lee,

If you are referring to the screws that fasten the slug rack front and rear brackets to the chassis, I believe the KWM-2 used the same screws. According to late KWM-2 amateur and military manuals (if I am interpreting the parts lists correctly - not easy when it comes to this hardware detail) those screws are Collins part number 543-8029-000 and the National Stock Number is 5305-00-844-9888. They are case hardened steel, Cadmium plated self tapping screws size 6-20 x 1/4 inch, pan head, Phillips. More detail can be found at 

WebFLIS

just enter the NSN without dashes

Good luck,
Bob KF6BC
On Jan 8, 2012, at 7:42 AM, L D Ritta wrote:

> 
> Hello All
> I have started work again on my 75S-3B receiver, however I lacking some
> screws, the one for securing the rack onto the chassis.
> I have no idea what size and type they are, they appear to be nonferrous
> maybe aluminum. I also lack the L10 bfo coil and a 75S-3B black 
> Escutcheon  and the main tuning knob and the af/rf gain knob and Preselector
> knob and power  and mode knob.
> 
> Can someone explain how the Vfo and the dial and knob fit together, I had a
> look at the Collins manuals but there are no pictures showing
> These details, I just get the feeling I am missing some component/s, if
> someone can point in the right direction.
> 
> If you have any of the mentioned parts please holler.
> 
> 73's Lee.
> 
> 
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