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 stockRequest it here. 

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  1. !@ 2 items
  2. LEADER 1 item
  3. 3M 5 items
  4. Unmarked 391 items
  5. ABB CONTROL INC. 2 items
  6. Aavid Thermalloy 1 item
  7. Analog Devices Inc 1 item
  8. Accuride 3 items
  9. ACME 4 items
  10. Adel Wiggins 3 items
  11. ACCURATE 1 item
  12. Allen Bradley - AB 1 item
  13. Alcoknob 2 items
  14. Alco Electric 1 item
  15. Allmetal 1 item
  16. Alcoswitch 1 item
  17. Alatec Products 1 item
  18. Alpha Metals 1 item
  19. Akryl 1 item
  20. Amp Inc 14 items
  21. American Fastener 5 items
  22. AMP/TYCO ELECTRONICS 1 item
  23. AMP 1 item
  24. American 1 item
  25. Amatom 1 item
  26. Amphenol 4 items
  27. Anacondia Metal Hose Co 1 item
  28. Arrow Hart & Hart 1 item
  29. Appleton 1 item
  30. Anchor 1 item
  31. Armstrong 1 item
  32. Anthro 1 item
  33. Astatic 1 item
  34. APPLETON ELECTRIC CO. 1 item
  35. Bergquist 4 items
  36. Bird 2 items
  37. BI (BECKMAN) 1 item
  38. Bivar Inc 8 items
  39. Bourns 1 item
  40. Berquist 7 items
  41. BIVAR 2 items
  42. Bogen 1 item
  43. BARCO 1 item
  44. Bell Electric 1 item
  45. BLH ELECTRONICS 1 item
  46. BW Controller Corporation 1 item
  47. Brady 2 items
  48. Browning 3 items
  49. BYRD 1 item
  50. Bud Industries 3 items
  51. Burndy 2 items
  52. Cambion 3 items
  53. Centronix 1 item
  54. Challenger 26 items
  55. Calrad 3 items
  56. Catamount 1 item
  57. Century 1 item
  58. CANPLAS 1 item
  59. Caravan Protective Cases 1 item
  60. Chesterton 1 item
  61. CAMLOC 1 item
  62. Century Fasteners Corp 5 items
  63. CLIPPARD 2 items
  64. CONCORD 2 items
  65. Cooper Crouse-Hinds 1 item
  66. Comptrol 1 item
  67. Cleveland Steel & Polymer 1 item
  68. CORNUCOPIA TOOL & PLASTICS 1 item
  69. Comcab 1 item
  70. CTS 1 item
  71. Cutler-Hammer 4 items
  72. Crydom 1 item
  73. Custom 10 items
  74. CUSTOM PLASTIC INJECTION 1 item
  75. DAKA-WARE 1 item
  76. Cutler-Hammer / Eaton * 1 item
  77. Cutler-Hammer / Eaton 1 item
  78. Dek Inc/Deklip 4 items
  79. DATA-WARE 1 item
  80. DENNISON 1 item
  81. Dayton 19 items
  82. EF JOHNSON CO 1 item
  83. Eagle 2 items
  84. ELECTROVERT 1 item
  85. EAO Switch 2 items
  86. Electronic Hardware Corp 1 item
  87. ELECTRONIC HARDWARE CORP. 3 items
  88. Edwards Signaling Products 1 item
  89. EECO 1 item
  90. Durant / Eaton 1 item
  91. DUPONT 1 item
  92. E F JOHNSON CO 1 item
  93. Die-Cut Products Co 1 item
  94. DREXELBROOK 1 item
  95. ELESA. 1 item
  96. Elma 1 item
  97. ESSEX 1 item
  98. Entegris 1 item
  99. FALK/SUNDSTRAND 2 items
  100. FASTENAL 2 items
  101. General Electric 7 items
  102. Federal Pacific 1 item
  103. GC Electronics 1 item
  104. Gemini 1 item
  105. Gary Plastic Packaging 2 items
  106. General Devices 1 item
  107. GM/DELCO 1 item
  108. Globe Electronics 3 items
  109. Harris Corp 2 items
  110. GRAYHILL 2 items
  111. Gould 3 items
  112. GREENLITE 2 items
  113. Golconda Screw Inc 2 items
  114. GUDEBROD 1 item
  115. HAMMOND MANUFACTURING 1 item
  116. Hewlett Packard 1 item
  117. HEYCO 13 items
  118. HH Smith 3 items
  119. HERMAN SMITH INC 3 items
  120. Hoffman 10 items
  121. Hellerman Tyton 25 items
  122. HIRSH CO. 1 item
  123. HARTING 1 item
  124. HELLERMAN 1 item
  125. Hazel 1 item
  126. Hoffman Engineering 1 item
  127. HILTI 4 items
  128. HH SMITH/ABBATRON 1 item
  129. IERC 2 items
  130. Hubbell 2 items
  131. ICO 1 item
  132. Ideal Industries 1 item
  133. HUBBARD 1 item
  134. INTERNAT. COMPONENTS 1 item
  135. ITT 1 item
  136. ITT Cannon 5 items
  137. Keystone Electronics 8 items
  138. KNOBS INC - Berkeley 1 item
  139. JENSEN 1 item
  140. JABSCO 1 item
  141. ITW 1 item
  142. ISSC 1 item
  143. KIRKHILL-TA MFG 1 item
  144. Leviton 1 item
  145. LESLIE LOCKE 1 item
  146. Leecraft 1 item
  147. MAJOR 3 items
  148. Magnecraft/S&D 1 item
  149. MAGNAVOX 3 items
  150. LOCKHEED 2 items
  151. LORD MANUF. 2 items
  152. LORD MFG. 2 items
  153. LMB HEEGER 1 item
  154. MALIN Co 1 item
  155. MELLOWES CO 1 item
  156. MICRO PLASTICS 6 items
  157. MATS Avionics 1 item
  158. Meltric Corp 1 item
  159. Mitsubishi 1 item
  160. Motorola 5 items
  161. Midwest Service 1 item
  162. MILITARY 18 items
  163. MINE SAFETY APPLIANCES 2 items
  164. MSC 2 items
  165. MUELLER ELECTRIC CO. 3 items
  166. Mueller Electric Co 1 item
  167. MUELLER 1 item
  168. N/AN/A 1 item
  169. NIBCO 2 items
  170. Philips 10 items
  171. NTE Electronics Inc 7 items
  172. NITTO DENKO/PERMACEL 1 item
  173. NORCAM 1 item
  174. NIAGARA PLASTICS CO. 1 item
  175. Ohmite 3 items
  176. OEC 1 item
  177. OMRON 1 item
  178. OPCON 1 item
  179. Pactec 3 items
  180. Panduit 10 items
  181. Pfantone 7 items
  182. P.S.M. FASTENER 1 item
  183. PARCO INC 1 item
  184. Paramount 1 item
  185. PLASTICLINE 1 item
  186. Polycase Products 1 item
  187. Picker International 1 item
  188. Phoenix Contacts 1 item
  189. Plast-A-Matic 1 item
  190. RAYCHEM 3 items
  191. RAYTHEON 1 item
  192. PULLMAN 1 item
  193. RAF ELECTRONIC 1 item
  194. PREMIER FARNELL UK LIMITED 1 item
  195. RICHCO PLASTICS CO 6 items
  196. Rogan Brothers 3 items
  197. Rogers 1 item
  198. Robinson Aviation 1 item
  199. ROGAN 1 item
  200. ROCKWOOD 1 item
  201. RED DEVIL INC 1 item
  202. REES Inc 1 item
  203. RITTAL CORP. 4 items
  204. Roxtec 3 items
  205. Roxtec AB 1 item
  206. REXROTH / INDRAMAT 1 item
  207. RMF PRODUCTS 1 item
  208. Schatz 1 item
  209. Schurter 1 item
  210. Servicestar 1 item
  211. Semiconductor Technology Inc 1 item
  212. Sealectro 1 item
  213. SDP/SI 1 item
  214. SIFAM 1 item
  215. SINCLAIR & RUSS INC. 1 item
  216. SSAC 1 item
  217. SOL-VEX 1 item
  218. Southco 9 items
  219. SPC TECHNOLOGY 2 items
  220. SQUARE D 1 item
  221. SLOAN 3 items
  222. SPEARS MANUFACTURING CO 3 items
  223. StockCap 1 item
  224. SUBURBAN INDUSRTIES INC. 1 item
  225. T&B/Ansley 2 items
  226. Tektronix 2 items
  227. TENDON 1 item
  228. T & M Plastics 1 item
  229. T&B 1 item
  230. TACTEC 1 item
  231. Tech-Etch Inc 1 item
  232. THOMAS & BETTS 2 items
  233. Thermalloy/Aavid 37 items
  234. TINNERMAN 1 item
  235. TOMCO 1 item
  236. THERMALLOY 1 item
  237. Torrington 1 item
  238. TRANSCRIBER 1 item
  239. TYCO/T&B 2 items
  240. Umpco 11 items
  241. Wakefield Engineering 2 items
  242. Waldes-Truarc 5 items
  243. W M Berg 3 items
  244. Vector 1 item
  245. VETTE 1 item
  246. VLIER 1 item
  247. Warner Electric 7 items
  248. WAXMAN INDUSTRIES 1 item
  249. Westcoast Air Devices 1 item
  250. XEROX 1 item
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Items 1-24 of 1021

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  1. Plast-A-Matic - Project Box - Enclosure. Instrument Enclosure, 2 piece.
    Special Price $2.98 Regular Price $4.50
    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). Material: plastic. Actual dimensions: 138 x 71 x 130mm deep. Color: gray. Learn More
  2. Mueller Electric Co - BU-60 series - Hardware, Alligator clips. 10 Amp. Package of 25.
    Special Price $4.98 Regular Price $7.00

    Mueller Electric Co - BU-60 series Hardware, alligator clips.

    Jaw Opening:     0.310" (7.87mm)             

    Current Rating (Amps):  10A       

    Material:  Steel     

    Plating: Nickel   

    Insulation: Non-Insulated  

    Color:    Natural

    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
  3. 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

    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
  4. MAGNAVOX - 6-347 - Hardware, knob. For 1/4" half flatted shaft.
    Special Price $4.98 Regular Price $8.95 As low as $3.98

    MAGNAVOX Hardware, Knob. Knurled

    Indicating. Press-fit for 1/4" flat flatted shaft.

    Two rows of surface control ridges around perimeter.

    Material: Aluminum.

    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 KN700A1/4

    Learn More
  5. KNOBS INC - Berkeley - 144010-2 - Hardware, knob. For slide potentiometers.
    $0.50
    Hardware, knob. For slide potentiometers with an 0.2" wide shaft. Material: Black anodized aluminum with plastic inserts - 0.355" x 0.21" x 0.8" long. Rectangular / Oval ends, very nice. Learn More
  6. ELMA - 020-3325 - Hardware, Knob / Classic Collet Instrument Knob. For 1/8" shaft.
    Special Price $1.69 Regular Price $2.00 As low as $1.49

    ELMA - 020-3325  Hardware, knob.

    For 1/8".

    Knurled.

    Precision Swiss quality made modular collet.

    Dimensions: 14.5mm D x 17 mm high.

    Black matte, brass insert.

    Has a screw on top to tighten.

    Front cover cap not included.

    Learn More
  7. DAKA-WARE - 6-180 - Hardware, knob. For 1/8" shaft. Package of 4.
    $3.00
    Hardware, knob. For 1/8" shaft, with one set screw. Eight knurled/raised edges. Material: plastic, black with silver top. Dimensions: 0.745"OD x 0.487" high. Learn More
  8. ALCOKNOB - KNP-900B 1/8 - Hardware, knob. For 1/8" shaft.
    Special Price $3.98 Regular Price $4.95

    ALCOKNOB - KNP-900B, Hardware, knob. For 1/8" shaft with one set screw. Knurled. Material: anodized, black. Dimensions: 0.938" D x 0.541" high. Very nice.

    Learn More
  9. ACME - 6-349 - Hardware, Knob. 1/4" Flattened Shaft. Stereo , Control, Volume, HI-FI, Amplifier. Package of 4
    Special Price $5.98 Regular Price $8.50

    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.

    Color: Silver.

    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 4

    Learn More
  10. Unidentified MFG - MS-278 - Project Box Enclosure - Black 3.3" Square with Lid.
    Special Price $3.98 Regular Price $4.95
    Enclosure. Black plastic box with mostly transparent cover. Dimensions: 3.3"square 1.4"D overall OD, 3.0" square x 1.1"Deep ID. One slot in the side for an RJ jack 0.56 x 0.68" and an oval hole about 1.5" high in the back for mounting. 2.5 oz. Learn More
  11. Unidentified MFG - MS-308 - Enclosure. Flange mount with lids.
    $4.95

    Enclosure. Flange mount with lids. Material: plastic, black. Dimensions: 7.5" x 4.5" x 2.25" OD less 0.7" wide flanges with four mounting holes. Metal inserts for mounting front panel. Box has irregular 1" x 1.16" hole for Molex connector or mouse exit and three 0.157" holes in bottom.

    Learn More
  12. Unidentified MFG - 8-431 - Hardware, knob. For shaft 0.131" square. Black.
    $0.50

    Hardware, midi controller knob. For shaft 0.131" square. For slide control products. Material: plastic, black. Dimensions: 0.5" square x 0.46" tall.

    Learn More
  13. Unidentified MFG - 8-348 - Hardware, knob. For 1/4" shaft, splined ID.
    $2.00

    Hardware, instrument knob. For 1/4" shaft, splined ID. Knurled with skirt. Material: plastic, black. Dimensions: 0.98" OD x 0.60" high.

    Learn More
  14. Unidentified MFG - 202-297 - Hardware, heatsink. For TO-220. Package of 10.
    $3.00

    Hardware, heatsink. For TO-220 components. 10 Fin. Material: aluminum, black anodized. Vertical mount. Dimensions: 1.18" x 1"wide x 0.5" high. Predrilled for devise with one 0.15" / 3.8mm hole, bottom is flat, no tabs or nubs. Package of 10.

    Learn More
  15. Unidentified MFG - 6-011 - Hardware, knob. For slide pots. Package of 10.
    $4.49

    Hardware, slider knobs. For slide potentiometers. For shaft: 0.159" x 0.060" thick. Material: plastic, black with silver top. With tiny pointer on one side. Dimensions: 0.635" long x 0.390" deep x 0.521" high. Package of 10.

    Learn More
  16. UMPCO - MS21333-77 - Cushioned loop clamp, 1". ID. Package of 3.
    $3.00
    Hardware, cable clamps. 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 3. Learn More
  17. UMPCO - MS21333-75 - Cushioned loop clamp, 3/4" ID. Package of 6.
    $6.00
    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.pdf Package of 6. Learn More
  18. UMPCO - 754WS13-2-8 - Cushioned loop clamp, 3/4" ID.
    $1.00
    Hardware, cable clamps. Cushioned loop clamp, 3/4" ID, #12. Material: rubber over steel, with a 1/4" mounting hole. Learn More
  19. Aavid Thermalloy - 2228B - 322805B0000G - Hardware, heatsink. For TO-39 or TO-5 components.
    Special Price $2.98 Regular Price $5.95

    Aavid Thermalloy - 2228B - 322805B0000 - Hardware, heatsink.

    Low cost push on passive heat sink with 3 fins for increased thermal performance

    For TO-39 or TO-5 components. 3 Fin.

    Thermal Resistance 40 C/W

    Material: Black Anodized Aluminum.

    Dimensions: 0.75" D x 0.4" high. (22.23mm x 13.49mm)

    Note: Press-on coolers.

    RoHS Compliant

    Replacment for NTE401

    NSN 5999-00-873-3812 Features

    MRC      Parameter          Characteristics

    ABKW   Overall Height   0.531 inches nominal

    AGAV    End Item Identification  F-16 aircraft, air combat maneuvering instrumentation (acmi), A-10 simulator, mx                peacekeeper missle, support equipment mx peacekeeper missle.

    CRTL     Criticality Code Justification         FEAT

    FEAT     Special Features               Weapon system essential

    MATT    Material               Aluminum

    MDCL    Material Document and Classification     QQ-A-225/6 fed spec single material response

    SFTT     Surface Treatment          Anodize

    STDC    Surface Treatment Document and Classification MIL-A-8625, type 2, class 2 mil spec single treatment                      response

    Learn More
  20. Thermalloy/Aavid - 507222B00000 - Hardware, heatsink. Dual TO-220. Package of 10.
    $3.00
    Hardware, heatsink. For two TO-220 components. 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. Rohs compliant. More info: www.aavidthermalloy.com/cgi-bin/stdisp.pl?Pnum=507222b00000g Package of 10. Learn More
  21. Thermalloy/Aavid - THM6054B-SE1 - Hardware, heatsink. For TO-3 components.
    $1.99
    Hardware, heatsink. For TO-3 components. Black, lightweight material. Dimensions: 45.8mm (1.806") square x 32.2mm (1.271") tall and has 20-fins, 5 each side. ID 1.67" and has (2) 6/32 threaded rivets on bottom. Learn More
  22. TACTEC - Stickyone - Phenolic insulation board. Package of 25.
    Special Price $7.98 Regular Price $14.95

    Phenolic insulation board,

    8 x 3"/ Thin 0.011" / 0.2mm phenolic board (tan/orange) used as insulation / circuit board protection in hand held radios and other items requiring insulation.

    In storage for over 20 years but the self adhesive strip on the entire back will still stick it where you place it.

    Has 6 notches cut out of it, about 1/2" wide.

    Package of 25.

    Phenolic Insulation Boards Phenolic insulation boards are the most effective type of rigid insulation boards currently available. Phenolic insulation board is manufactured by a process in which a plastic foam forms an insulating core between two flexible facing layers.

    Learn More
  23. Motorola - MNT62312B1 - Hardware. Post mounting bracket.
    $1.50
    Hardware. Post mounting bracket. For Motorola GPS timing antenna. Right-Angle 2-5/8" wide x 2-1/2". Base with four 1/2" x 1/4" slots and two 2" x 3", 1/4" threaded U-Bolts and hardware x 4-3/8" tall, with 1-1/8" D hole. New, non-ferrous. Weight: 0.5 lbs. Learn More
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