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 ”McElroy”

Item # 086

Item # 021

Item # 074

Replacement  Speed-Weights Set

(Will also fit 1937-40 McElroy)

1/4” Thick x 7/8” OD Size

Price $28.50 per pair + S&H

Replacement  Flat Thumb-Piece (For mid~late McElroy)

Price $9.25 each + S&H

Counter Sunk Screws Holes

Replacement Knob

(For McElroy)

(Styled After Original)

Price $13.00 each +S&H

Same OD & Thickness  As Orignals


These weight sets are polished “Stainless Steel” w/ Nickel Plated Thumb-screws. These sets weight .2oz less than the original pair because they are made from stainless.

Item # 096

Item # 036

Item # 072

1.9oz 7/8” OD


Fits (McElroy)

Price $20.00 each + S&H

Replacement Dit Contact

with mounting screw

Fits 1935~42 (McElroy) not for Vibroplex

Price $21.50 + S&H


McElroy Bug Key Pivots

Slotted 10-32 x .580” L (1 Pair)

Price $3.00 + S&H


Fit’s McElroy bugs, 1934~1942 era.

Stainless Steel screw used to ensure positive connect to mounting collar.

Silver Contact / Quality Made!

(I personally make these!)

Item # 069

Replacment McElroy Contact Bar

Screw Insulator Sleeves

Fits 8-32 Screw  (2 Pair)

Price $1.00 pair + S&H


McElroy Bumpers 1934 ~ early 40’s

3pc Bumper Pack

Price $4.00 Plus S&H

Stainless Screw Kit

for 1938B / Standard Model McElroy Bug

38 pcs kit $10.50 + S&H

Item # 089

Stainless Knurled Thumb Nuts

8-32 / Straight Pattern

Pk of (2) Price $3.00 + S&H

Item # 117

Straight Knurl Thumb Nuts

Similar Style to (McElroy)

8-32 Thread

Item # 107

Stainless Screw Kit

For P-500

McElroy Bug Key

36 pcs kit  $9.00 + S&H

(Silver Contact)

This is not the correct size for

use on a Vibroplex Bug Key


Same Physical Dimensions As 1937~40 MAC Set


This knob is 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.

Item # 038