Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A7641-2 found under Sensor Assembly Control Unit by Interstate Electronics Inc. The National Stock Number assigned to this part is 1680013063330, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A7641-2.