2B Radio Parts LLC

High Quality Replacement Repair Parts For:

CW Keys, Semi-Automatic CW Keys & Paddles

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“Replacement Bug, Paddle & Key Parts”

Autronic, Brown Brothers, Eddystone S-689, Electric Specialty, Les Logan, Lionel, McElroy, Military J-38,

Flame Proof 26003, Poucel Electric (EL Key), Speed-X, TAC, Vibroplex, and Others

(Very Reasonable $3.50 Shipping Charges For Most Stateside Parts Order)  See our  “Shipping Cost Page”

Parts May Also Be Ordered By Mail:

Send Check or USPS Money Order Made Payable To:

2B Radio Parts, LLC

3105 W. Aruba Way

Muncie, IN 47302

Build Up’s & Restoration Page

Parts Made In The USA !

Parts for ”Telegraph Apparatus Company  “TAC”

Item # 108

Item # 131

Item # 101

Replacement  Flat Thumb-Piece (For TAC Bug Key)

For Mid~Late Series TAC

Price $9.25 each + S&H

Replacement Bug Knob

(For TAC Bug Key)

(Styled After Original)

Price $13.00 each + S&H

“Red” 3 pc Set / Bug Knob &  Thumb-piece (For TAC & McElroy Bug Key)    Price $27.50 per 3pc set

Plus S&H


These Thumb-Pieces have (1) Counter Sunk Screw thru hole and also a

small pocketed (non-thru hole) on the opposite side for 8-32 Knob stud relief. This is for the short knob stud that very slightly protrudes into this recessed pocket.


These Translucent Dk Red Thumb-Pieces Look beautiful on a CP-800 TAC or a MAC S-600 Chrome Stream. I made a set of these special for a customer. At that same time I made 3~4 extra sets. The color is “Non Original” to MAC but they really look sharp on a chrome based TAC or MAC Stream bug.