Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK9491-3PC12 PT18602 found under Resistor Adjustable by Leica Inc. The National Stock Number assigned to this part is 5905006799970, 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 SK9491-3PC12 PT18602.