Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QQ-T-580C found under Wire Nonelectrical by Federal Specifications. The National Stock Number assigned to this part is 9505001897305, and the Federal Supply Class is 9505 Wire Nonelectrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QQ-T-580C.