Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 24LC21A SN found under Microcircuit Assembly by Microchip Technology Incorporated. The National Stock Number assigned to this part is 5962016585731, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 24LC21A SN.