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Hardware

Electronic Hardware Components & Parts

Electronic Surplus carries a broad variety of surplus hardware components and parts. We have electronic knobs, gears, bearings, enclosures, spacers, and much more. Our electronic hardware for sale comes from top-grade manufactures like 3AM and ABB Control.      

Some of our electronic hardware for sale comes in the manufacturer’s original packaging, while others are slightly used. We’re proud to say that when you order a used electronic hardware component from Electronic Surplus, you don’t have to worry about quality. Our team of experts checks each and every used item before we put it up for sale.  

Shop our surplus hardware components below. Is the part you need out of stock? Request it here. 

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  1. Enclosure 1 item
  2. Knobs 9 items
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  2. Black, Silver 9 items
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  11. Silver 9 items
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  1. Unmarked 5 items
  2. ACME 1 item
  3. Alcoknob 1 item
  4. Gould 1 item
  5. MAGNAVOX 2 items
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  1. MAGNAVOX - 6-351 - Hardware, Knob. For 1/4" Flat / Flattened Shaft. Knurl Edge
    MAGNAVOX - 6-351 - Hardware, Knob. For 1/4" Flat / Flattened Shaft. Knurl Edge
    Special Price $4.98 Regular Price $8.95 As low as $3.98
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    MAGNAVOX Hardware, Knurled Knob.

    For 1/4" Flat Flattened shaft.

    Knurled edge for fingertip.

    Material: Spun aluminum over plastic base.

    Dimensions: 1-1/8" D x 0.882" high.

    Has a 3/16" indicating line on top.

    Color: Satin Silver. Nice Stereo/Amplifier Volume or tuning knobs.

    Note: May in fact be only 6mm flattened shaft. Will fit our 1/4" shaft extender, but tight.

    Similar to TE Connectivity KLN1250A1/4

    See our large collection of knobs here:

    https://www.electronicsurplus.com/hardware/knob

    Learn More
  2. ALCO KNOB - 6-347 - Hardware, Knob. For 1/4" / 6mm Half Flatted D Shaft.
    ALCO KNOB - 6-347 - Hardware, Knob. For 1/4" / 6mm Half Flatted D Shaft.
    Special Price $6.98 Regular Price $9.50 As low as $4.98
    IN STOCK - MORE THAN 500 READY TO SHIP!
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    ALCO KNOB Hardware, Knob. Knurled

    Design: Knurled, Straight

    Indicating. Press-fit for 1/4" Flat Flatted D Shaft / 6mm Flattened D Shaft.

    Two rows of surface control ridges around perimeter.

    Material: Aluminum with Vertical Pointer and Internal Plastic Insert.

    Dimensions: 0.85" OD x 0.88" High. (21.7 X 22.36mm)

    Color: Satin Silver.

    Will fit 1/4" Shaft but tight.

    Simliar to TE Connectivity KN700A1/4, KN700B1/4

    Applications: Stereos, Amplifiers, Instrumentation, Guitar, Volume, Tone, Balance Controls.

    Vintage - New Old Stock

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  3. Unidentified MFG - 8-162 - Knobs for 5.9mm Splined Shaft.
    Unidentified MFG - 8-162 - Knobs for 5.9mm Splined Shaft.
    Special Price $1.49 Regular Price $2.00 As low as $0.98
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    Hardware, Knob. Knurled with Splined ID for 0.236" Shaft.

    Dimensions: 4/40 Set Screw Included. 

    Overall at base 0.843" OD wide and 0.694 OD at top x 0.689 tall.

    Base: ID is 0.662".

    For a ribbed/slotted shaft: 0.234" (5.9mm).

    Material: Plastic.

    Color: Silver Chrome Plated.

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  4. Unidentified MFG - 6-350-1 - Hardware, knob. Silver knob for slide control.
    Unidentified MFG - 6-350-1 - Hardware, knob. Silver knob for slide control.
    Special Price $0.69 Regular Price $0.75 As low as $0.39
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    Hardware, Knob. Silver Knob for Slide Control.

    Fits Shaft: 0.189" (4.8mm) x 0.188" (4.7mm).

    Dimensions: 5/8" square x 1/2" high.

    Almost Perfectly Square.

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  5. Unidentified MFG - 6-348 - Hardware, Knobs. For 0.236" Half Flattened Shaft.
    Unidentified MFG - 6-348 - Hardware, Knobs. For 0.236" Half Flattened Shaft.
    Special Price $2.98 Regular Price $3.50 As low as $2.49
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    Hardware, Plastic Control Knobs. Push-on "D" Knob

    For 0.236" Half Flattened Shaft.

    Knurled only on the top for finger control, with pointer.

    Material: Plastic.

    Dimensions: 1.089" OD, 0.928" ID and 0.885" tall.

    Color: All Silver. - Perfect for Amplifiers

    Vintage - New Old Stock

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  6. ACME - 6-001 - Hardware, knob. For 1/4" flattened shaft.
    ACME - 6-001 - Hardware, knob. For 1/4" flattened shaft.
    Special Price $0.89 Regular Price $1.25 As low as $0.39
    Out of stock
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    Hardware, knob. For 1/4" flattened shaft. Material: plastic. Tapered top 0.46" D down to the skirt 0.8" D. Nice Stereo Indicator. With black insert on top with white line. Color: silver. Learn More
  7. ALCOKNOB - KNP-900A 1/8 - Hardware, knob. For 1/8" shaft.
    ALCOKNOB - KNP-900A 1/8 - Hardware, knob. For 1/8" shaft.
    Special Price $5.98 Regular Price $8.00
    READY TO SHIP - ONLY 47 LEFT IN STOCK!
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    ALCO KNOB - KNP-900A  Series KPN Knob.

    Status: Discontinued

    Fits 1/8" shaft, with one set screw.

    Heavy, Silver. - Stright Knurled

    Aluminum with Vertical Pointer.

    Dimensions: 0.931 OD x 0.54" high. (33.6 X 13.7 mm)

    Applications: Stereos, Amplifiers, Instrumentation. Vintage - Newer Used - Genuine Alco - New Old Stock

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  8. Unidentified MFG - 9-021 - Enclosure. 5" x 5-1/4".
    Unidentified MFG - 9-021 - Enclosure. 5" x 5-1/4".
    Special Price $12.98 Regular Price $17.50
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    Unidentified MFG - 9-021 - Enclosure.

    Front panel has three T1-3/4 LEDS (hidden), red, green and yellow.

    Also one 2.5mm DC barrel connector and three 6 conductor phone jacks.

    More parts inside - please refer to photo.

    Material: plastic.

    Dimensions: 5" wide x 5-1/4" deep x 1-7/8" high.

    Has 4 mount feet and has 4 bottom screws for open/close.

    Color: Black.

    Note: manufacture for Alcohol Monitoring System Inc.

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  9. Unidentified MFG - 4-473 - Knob, aluminum skirt. Brass bushing w/ set screws.
    Unidentified MFG - 4-473 - Knob, aluminum skirt. Brass bushing w/ set screws.
    $2.95
    Out of stock
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    Knob, aluminum skirt. Indicating, with pointer. For 1/4" shaft. Brass bushing with two set screws. Skirt: Brushed aluminum 1.5"D. Knob: 0.90"D with silver insert. Learn More
  10. GOULD - 8-020 - Hardware, knob. For 1/4" shaft.
    GOULD - 8-020 - Hardware, knob. For 1/4" shaft.
    Special Price $2.25 Regular Price $3.00
    Out of stock
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    Hardware, knob. For 1/4" shaft with one set screw. Knurled and skirted. Material: heavy aluminum. Dimensions: 1.381" D x 0.80" high. Color: silver. Learn More
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