Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8645 found under Frame Contactor by Tyco Electronics Corporation. The National Stock Number assigned to this part is 2925001371207, and the Federal Supply Class is 2925 Engine Electrical System Components Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8645.