Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21C2222-763 found under Indicator by Janke And Company Inc. The National Stock Number assigned to this part is 6620000624430, and the Federal Supply Class is 6620 Engine Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 21C2222-763.