Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A51F12212-1 found under Knob Assembly Contr by Abelconn Llc. The National Stock Number assigned to this part is 1680003230744, 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 A51F12212-1.