Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F12550-14 found under Resistor Adjustable by Technology Dynamics Inc. The National Stock Number assigned to this part is 5905002798604, 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 F12550-14.