Tinned Copper Buss Bar was previously specified as Type QQ-W-343, but now falls under the AA59551 Military Specification. The AA59551 buss 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 QQ-W-343 tinned copper wiring may be used for winding of coils, antennas, point-to-point wiring, and ground wire applications.

Extra Flexible Copper Rope is an uninsulated wire composed of individual strands of soft-drawn, tinned copper. This rope lay wire is designed with bunched stranded members. Our Extra Flexible Copper Rope meets ASTM-B-33 and QQ-W-343 standards.

Our AA59551 / QQ-W-343 Copper Buss Bar products are available in a wide range of AWG sizes to meet the needs of a variety of applications. We offer AA59551 tinned copper bus bar in sizes from 6 AWG to 36 AWG. QQ-W-343 copper rope ranges from 4/0 to 16 AWG.

Do not see the AA59551 / QQ-W-343 products you need? Call one of our helpful sales representatives today at 800-472-4655.