AA59551 – Buss Wire

A-A-59551 (QQ-W-343) buss bar wire is a flexible drawn individual strand of copper that can come in bare copper or with tin, silver, and nickel coatings to serve different temperature ranges. Buss bar wire can be used in jumper applications and serve as a ground.
Tinned copper buss wire was previously considered Type QQ-W-343, but it now falls under the Mil-Spec A-A-59551 specification. A-A-59551 bus bar is also recognized as Mil-W-3861 and ASTM-B-33 wire. AA59551 wire is composed of pure electrolytic soft drawn, solid copper which is properly annealed and tinned for quick soldering. This QQW343 tinned copper wiring may be used for winding of coils, antennas, point-to-point wiring and for ground wire applications.
A-A-59551 / QQW343 Copper Buss Bar products are available in a wide range of AWG sizes to meet the needs of a variety of applications. We offer A-A-59551 tinned copper bus bar in sizes from 6 AWG to 36 AWG.
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Part NumberAWG SizeNom. O.D. (in)Nom. Circular Area (Mils)Weight/1000 ft.
A-A-59551S36S1T360.005250.0806
A-A-59551S34S1T340.006400.1274
A-A-59551S32S1T320.008630.2053
A-A-59551S30S1T300.011050.3178
A-A-59551S28S1T280.0131600.4837
A-A-59551S26S1T260.0162540.7965
A-A-59551S24S1T240.024041.266
A-A-59551S22S1T220.0256431.993
A-A-59551S20S1T200.03210213.176
A-A-59551S18S1T180.0416245.021
A-A-59551S16S1T160.05125837.956
A-A-59551S14S1T140.064410612.63
A-A-59551S12S1T120.081653020.01
A-A-59551S10S1T100.1021038431.77
A-A-59551S8S1T80.1291651250.43
A-A-59551S6S1T60.1622624480

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