Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GC500 found under Clamp Electrical by Lincoln Electric Company. The National Stock Number assigned to this part is 5999006175720, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GC500.