Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A12390 found under Resistor Variable Nonwire Wound by Eg And G Inc. The National Stock Number assigned to this part is 5905001605229, 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 A12390.