Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 109-0500 found under Resistor Fixed Wire by Pertec Computer Corp. The National Stock Number assigned to this part is 5905012553741, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 109-0500.