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.
Items 1-24 of 1037
- DAKA-WARE - Davis Molding - 197267A1 - Hardware Fluted Finger Grip Knob, For 1/4" - 28 Threaded Shaft.Special Price $3.98 Regular Price $6.50 As low as $3.49IN STOCK - MORE THAN 500 READY TO SHIP!
DAKA-WARE - Davis Molding - 197267A1 - Hardware Fluted Finger Grip Knob.
Heavy Duty Knob for 1/4" (6.35mm) - 28 Shaft.
Twelve Flute Knob
Material: Compression Molded Phenolic (Bakelite)
Stronger & More Durable than Plastic
Approximate Dimensions: 1.750" OD x 1.015" Depth With 0.075 Pilot Diameter
Molded-In Brass Insert threaded 1/4" - 28 over 0.50" Deep
Genuine Vintage DAKA-WARE - New Old Stock
Made in Chicago USA
- Plast-A-Matic - Project Box - Enclosure. Instrument Enclosure, 2 piece.Special Price $3.98 Regular Price $6.50IN STOCK - MORE THAN 1,000 READY TO SHIP!
Plast-A-Matic - Project Box Enclosure.
Instrument Enclosure, 2 piece top & bottom.
Snaps together, requires 4 screws (not included).
Front panel would be approximately 5.25"wide x 2.5" tall (not included).
Actual Dimensions: 138 x 71 x 130mm deep.
Color: Gray.Learn More
- Mueller Electric Co - BU-60 series - Hardware, Alligator clips. 10 Amp. Package of 25.Special Price $4.98 Regular Price $7.00READY TO SHIP - ONLY 27 LEFT IN STOCK!
Mueller Electric Co - BU-60 series Hardware, alligator clips.
Jaw Opening: 0.310" (7.87mm)
Current Rating (Amps): 10A
Length: 1.970" (50.04mm)
Termination: Crimp or Solder
Note: May have a bit of "RUST" from moisture during storage.
Compatible with all shrouded, unshrouded, or retractable 0.16" (4mm) banana plugs, solder or crimp connection, jaw opens 0.31" (7.9 mm) max.
Material: Nickel-plated steel (BU-60). Length: 1.97" (50mm).
Package of 25.Learn More
- MAGNAVOX - 6-351 - Hardware, Knob. For 1/4" Flat / Flattened Shaft. Knurl EdgeSpecial Price $4.98 Regular Price $8.95 As low as $3.98IN STOCK - MORE THAN 1,000 READY TO SHIP!
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:
- MAGNAVOX - 6-347 - Hardware, knob. For 1/4" half flatted shaft.Special Price $4.98 Regular Price $8.95 As low as $3.98IN STOCK - MORE THAN 500 READY TO SHIP!
MAGNAVOX Hardware, Knob. Knurled
Indicating. Press-fit for 1/4" flat flatted shaft.
Two rows of surface control ridges around perimeter.
Dimensions: 0.85" OD x 0.88" high.
Color: Satin silver.
Note: May in fact be only 6mm flattened shaft.
Will fit 1/4" shaft but tight.
Simliar to TE Connectivity KN700A1/4Learn More
- KNOBS INC - Berkeley - 144010-2 - Hardware, knob. For slide potentiometers.$0.50
- ELMA - 020-3325 - Hardware, Knob / Classic Collet Instrument Knob. For 1/8" shaft.Special Price $1.69 Regular Price $2.00 As low as $1.49IN STOCK - MORE THAN 1,000 READY TO SHIP!
- DAKA-WARE - Davis Molding - DAK-P1105-27 - 1914-AS - Hardware, Instrument Knob. For 1/8" shaft. Package of 2.Special Price $3.98 Regular Price $6.00IN STOCK - MORE THAN 100 READY TO SHIP!
DAKA-WARE - Davis Molding - DAK-P1105-27 - 1914-AS - Hardware, Instrument Knob.
For 1/8" (6.35 mm) shaft, with set screw.
Eight Knurled/Raised/ Ribbed Edges for ease of gripping.
Material: Compression Molded Phenolic Knobs
Black with Silver/Brushed Aluminum Tone Face and pointer.
Dimensions: 0.745"OD x 0.487" high. (21-30 mm)
New Old Stock
Made in Chicago USA
Lot of 2Learn More
- ALCOKNOB - KNP-900B 1/8 - Equipment, knob. For 1/8" shaft, Stereos, Amplifiers, Instrumentation.Special Price $5.98 Regular Price $8.00IN STOCK - MORE THAN 100 READY TO SHIP!
ALCO KNOB - KNP-900B Series KPN Knob.
Fits 1/8" shaft, with one set screw.
Heavy, Silver. - Stright Knurled
Matrial: Black Anodized 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
- ACME - 6-349 - Hardware, Knob. 1/4" Flattened Shaft. Stereo , Control, Volume, HI-FI, Amplifier. Package of 4Special Price $5.98 Regular Price $8.50IN STOCK - MORE THAN 1,000 READY TO SHIP!
ACME Hardware, knob.
For 1/4" flattened shaft.
Black Band 0.74" around it for gripping easily.
Material: Attractive Chromed Aluminum.
Dimensions: 0.62" D x 0.90" high.
Note: The orientation of the indicator line is straight up from the center of the 1/4" (D) circle.
Upgrade your Old System with High Quality New Old Stock Knobs.
Package of 4Learn More
- TE Connectivity AMP/TYCO ELECTRONICS - 643075-4 - 04P MTA100 4 Position Molded Covers.Special Price $0.19 Regular Price $0.25 As low as $0.09
TE Connectivity AMP/TYCO ELECTRONICS - 643075-4 - 04P MTA100 4 Position Molded Covers.
Molded Closed End Strain Relief Cover
Body Material: Nylon, White
Contact Material: CuSn
Number of Pins: 4, Number of Positions: 4, Number of Rows: 1
Dimensions: Depth 8.76 mm X Height 8.64 mm X Length 10.16 mm
Flammability Rating: UL94 V-2
Lead Free: Lead Free
- Unidentified MFG - MS-278 - Project Box Enclosure - Black 3.3" Square with Lid.Special Price $3.98 Regular Price $4.95IN STOCK - MORE THAN 100 READY TO SHIP!
- Unidentified MFG - MS-308 - Enclosure. Flange Mount with Lids.Special Price $6.98 Regular Price $8.50READY TO SHIP - ONLY 10 LEFT IN STOCK!
Flange Mount with Lids.
Material: Sturdy Ridgid Plastic, Black.
Dimensions: 7.5" x 4.5" x 2.25" OD less 0.7" wide flanges with four mounting holes.
Metal inserts for seccuring front cover panel.
Box has irregular 1" x 1.16" hole for Molex connector or other exit and three 0.157" holes in bottom.Learn More
- Unidentified MFG - 8-867 - Cable clamps. 1". Package of 3.$1.00
- Unidentified MFG - 8-431 - Square Switch Cap, MIDI Controller Knob/Button/Cap For 0.131" Square Shaft . Black.$0.50IN STOCK - MORE THAN 1,000 READY TO SHIP!
- Unidentified MFG - 8-348 - Control/Instrumentation Knurled Knob with Pointer Indicator. For 1/4" Shaft, Splined ID.Special Price $2.29 Regular Price $3.00 As low as $1.49IN STOCK - MORE THAN 1,000 READY TO SHIP!
Hardware, Control /Instrumentation Knob with Pointer Indicator.
Fits Standard 1/4" (0.250") Splined ID Shaft.
Push-on Design for Convenient Secure Attachment
Bar Skirted with Indicator Pointer.
Material: ABS Black Plastic.
Dimensions: 0.98" OD x 0.60" high.
Applications: Control Devices (potentiometer, tuner, etc.) on a Radio, Amplifier, Testing Equipment or Musical Instruments, etc.
Vintage - New Old StockLearn More
- Unidentified MFG - 202-297 - Hardware, heatsink. For TO-220. Package of 10.$3.00IN STOCK - MORE THAN 500 READY TO SHIP!
- Unidentified MFG - 6-011 - Hardware, knob. For slide pots. Package of 10.Special Price $4.98 Regular Price $6.00IN STOCK - MORE THAN 100 READY TO SHIP!
- UMPCO - MS21333-77 - Cushioned Loop Clamp, 1". ID. Package of 2.Special Price $3.98 Regular Price $6.50
UMPCO - MS21333-77 Hardware, cable clamps.
Aerospace Cushioned loop clamp, 1" ID. Tongue hole type, oil resistant.
Distance from loop center to tongue end: 1.125".
Center to center distance between loop and mounting hole: 0.906".
Overall width: 0.625".
Material: Steel, carbon with synthetic rubber mil grade Mil-R-3065.
Material Thickness: 0.032".
Military NSN 5340-00-922-6300.
More info: http://www.umpco.com/products_pdf/NASM21333.pdf
Package of 2.Learn More
- UMPCO - MS21333-75 - NSN 5340-00-050-2740 - Cushioned loop clamp, 3/4" ID.Special Price $1.69 Regular Price $2.50
UMPCO - MS21333-75 - NSN 5340-00-050-2740 - Hardware, cable clamps.
Cushioned loop clamp, 3/4" ID.
Tongue hole type, oil resistant.
Distance from loop center to tongue end: 1.0".
Center to center distance between loop and mounting hole: 0.781".
Overall width: 0.500".
Material: steel, carbon with synthetic rubber mil grade Mil-R-3065.
Material thickness: 0.032".
Military NSN 5340-00-050-2740.
More info: http://www.umpco.com/products_pdf/NASM21333.pdfLearn More
- UMPCO - 754WS13-2-8 - Cushioned Loop Clamp, 3/4" ID.Special Price $0.79 Regular Price $0.98 As low as $0.49
UMPCO - 754WS13-2-8 Hardware, Cable Clamps.
Heavy Duty Cushioned Loop Clamp, 3/4" ID, 1/2" wide, #12.
General purpose EPDM
Durable cushion helps reduce vibration while protecting your product
Open position for ease of assembly
Hold hydraulic hoses, wire harnesses and cables
Heavy duty clamping applications
Material: Cushioned Rubber over plated steel, with a 1/4" mounting hole.Learn More
- Aavid Thermalloy - 2228B - 322805B0000G - Hardware, Heatsink. For TO-39 or TO-5 components.Special Price $2.98 Regular Price $4.50IN STOCK - MORE THAN 100 READY TO SHIP!
Aavid Thermalloy - 2228B - 322805B0000 - TO-39 / TO-5 Heatsink.
low cost, easily installed, push-on heat sink. This device may be installed after assembly and takes up little additional board space.
Passive heat sink with 3 cooling fins for increased thermal performance
For TO-39 or TO-5 components.
Thermal Resistance: 40 C/W - 3.0 Watt
Material: Black Anodized Aluminum.
Nominal Dimensions: 0.75" D x 0.4" high. (22.23mm x 13.49mm)
Replacement for NTE401 -NSN 5999-00-873-3812 Features
Overall Height: 0.531 inches nominal
Material Document and Classification: QQ-A-225/6 fed spec single material response
Surface Treatment Document and Classification MIL-A-8625, type 2, class 2 mil spec single treatment responseLearn More
- Thermalloy/Aavid - 507222B00000 - Hardware, heatsink. Dual TO-220. Package of 10.Special Price $3.98 Regular Price $6.50READY TO SHIP - ONLY 62 LEFT IN STOCK!
Thermalloy/Aavid - 507222B00000 Hardware, heatsink.
For two TO-220 Components.
Dewscription: 12 Fin.
Material: Black Anodized Aluminum.
Dimensions: 1.47 x 1.75" x 0.38" tall (37.4mmL x 44.5mmW x 9.7mm).
Vertical or horizontal Mount.
Thermal Resistance: 9.6 C / W.
Power dissipation 8W @ 70 Degree C.
More info: www.aavidthermalloy.com/cgi-bin/stdisp.pl?Pnum=507222b00000g
Cross Reference: 6072B
Package of 10.Learn More
- Thermalloy/Aavid - THM6054B-SE1 - Hardware, heatsink. For TO-3 components.$1.99