Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A77-2110103-220-C found under Presser Foot Sewing by Consolidated Sewing Machine Corp. The National Stock Number assigned to this part is 3530011794560, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A77-2110103-220-C.