Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28-684-01 found under Capacitor Fixed Cer by Key Tronic Corp. The National Stock Number assigned to this part is 5910011780004, 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 28-684-01.