Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MK14 21 24VDC 10CPS FL found under Indicator Digital Display by Kessler Ellis Products Co. The National Stock Number assigned to this part is 6625000196776, 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 MK14 21 24VDC 10CPS FL.