Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GBC WIDEBACK ANDNARROWBACK 1 2IN found under Binding Element Pla by General Binding Corporation. The National Stock Number assigned to this part is 7510010592460, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GBC WIDEBACK ANDNARROWBACK 1 2IN.