Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 043 115 found under Chuck Arc by Sunbelt Stud Welding Inc. The National Stock Number assigned to this part is 3460012150539, and the Federal Supply Class is 3460 Machine Tool Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 043 115.