Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 139-1260 found under Capacitor Fixed Ele by Pertec Computer Corp. The National Stock Number assigned to this part is 5910012554868, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 139-1260.