2B Radio Parts LLC

High Quality Replacement Repair Parts For:

CW Keys, Semi-Automatic CW Keys & Paddles

Copyright © 2011 - 2B Radio Parts, LLC

All Rights Reserved


Contact Us

About Us

Shipping Cost Page

“Replacement Bug, Paddle & Key Parts”

Autronic, Brown Brothers, Eddystone S-689, Electric Specialty, Les Logan, Lionel, Martin Flash, 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 Vibroplex & Martin Flash Key

1.9oz 7/8” OD


(For Vibroplex)

Price $20.00 each + S&H

Replacement Dit Contact

with mounting screw

Fits  (Vibroplex) not for McElroy

Price $21.50 + S&H

Item # 080

Also fit’s

Speed-X & Cedar Rapids Bug’s

Item # 087

For Original & Blue Racer

Item # 090

Replacement Bug Knob #087

(For 1944 and older Vibroplex Original, Blue Racer &  Martin Flash Key

Price $13.00 each + S&H

Replacement Bug Thumb-Piece

(For 1944 and older Vibroplex) also Martin Flash Key

Price $9.00 each + S&H

Item # 075

Item # 110

Replacement Bug/Keyer Knob

(For 1945  and  

Later Vibroplex)

Price $13.00 each + S&H

Replacement  Oval (Black)

Thumb-Piece (For 1945 and newer Vibroplex Bug

Price $9.00 each + S&H

Item # 119

Item # 118

Replacement 2 pc Set

Bug Knob & Thumb-piece

For 1945 and Newer


Price $22.00 per 2pc set + S&H

Replacement 3 pc Set

Bug Knob. Thumb-piece & Closure Knob

For 1945> and Newer


  Price $28.00 per 3pc set + S&H

Replacement Oval (Dk Translucent Red)

Thumb-Piece (For 1945 and newer Vibroplex Bug

Price $9.00 each + S&H

(Dark Translucent Red)

(Same color Red as in the 2 & 3 pc

sets to the left)

Closer match color to 50~late 60’s era.

Item # 124



Vibroplex Bumpers late 60’s ~ present

3pc Bumper Pack

Price $4.00 Plus S&H

Replacement Closure Switch Knob (Vibroplex & Others))

(Fits Many Early~ Mid Vibroplex  Models)

Price $10.00 each + S&H


This is a non original size speed-weight. It’s 7/8” in diameter, the same diameter as 1938~39 MAC’s. It is 3/4” long which is the same length as Vibroplex’s large 1.0oz weight, but  weighs 90% more. It is supplied with a premium stainless thumb-screw.

Thumb Nuts

Nickel Plated Knurled 8-32 / Diamond Pattern

Pk of (2) Price $5.00 + S&H

Item # 085


Stainless Steel screw used to ensure positive flat spring connection to mounting collar. Collar is not Chrome but is made from Silver Nickel. Over time it will slightly haze a little like Nickel Plating and have a somewhat similar appearance to Nickel Plating.

Vibroplex used Nickel Plating very early 40’s and older.

Silver Contact / Quality Made!

(I personally make these!)

Item # 122

Dark Translucent Red Closer in color to 50~late 60’s era.

Item # 088



Dark Translucent Red Closure Switch Knob

(For Vibroplex Bug)

Price $10.00 each + S&H


Standard Black

Closure Switch Knob

(For Vibroplex Bug)

Price $10.00 each + S&H

Item # 091

Replacement Closure Switch Knob (Very Early Vibroplex))

(Smooth Barrel Version) 1913~1917

Price $10.00 each + S&H


The (2) bove (1944 and older) style knobs are now being shipped with a “aged” look. What's different? Just the glossy sheen has been removed. This makes it appear to be an even better match with the time era.


Vibroplex Bumpers early 20’s ~ mid 60’s

3 pc Bumper Pack

Price $5.25 Plus S&H

Item # 138

Replacement Bug Key Knob

(Very Early Vibroplex))

(Model X / Blue Racer) 1913~1917

Price $13.00 each + S&H

Side View


This knob has a dull aged look finish. It is a like similar replacement for the shallow knob used on the Vibroplex Martins, Model-X & Blue Racer bugs era span 1912~1917 It has a diameter of 1.235” +/- .005” It is machined to accept a 6-32 screw and has a threaded hole depth of (.225” MAX!)


Item # 139


Is a Registered Trademark of  the

Vibroplex Company.

Rear View

Item # 139

Item # 048


Vibroplex Bumpers early teen’s ~ early 20’s

3pc Bumper Pack

Price $4.00 Plus S&H

Item # 047

Item # 111

Replacement Bug Knob #140

(For Vibroplex Model-X 1917~1923)

Same knob as #087 knob but has longer 8-32 threaded stud for thicker Model-X lever

Price $13.00 each + S&H

Item # 140

For 1917~23 Model-X

If you need the above Thumb-Piece for a 1911~ early 1917 Model-X just contact me. It requires a 6-32 hole in place of the standard 8-32 threaded hole.

Same Price as above $9.00 but I have to make it special for you.

Email to: 2bradioparts@gmail.com

Model-X 1917~23

< Pure

Silver Contact

Item # 137

< Silver Nickel

Mounting Collar

I also have this same Dit Contact Assembly available with the small .123” (1/8”) diameter silver contact like was used on the teens~20’s erra Vibroplex Bugs. It looks the same except the silver contact is around 1/8” diameter instead of 3/16” diameter.

E-mail me if you want it instead. 2bradioparts@gmail. com

Out Of Stock!

Out Of Stock!