Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CK12BX821K found under Capacitor Fixed Ceramic Dielectr by Corning Glass Works. The National Stock Number assigned to this part is 5910001135319, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CK12BX821K.