Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X20A123J found under Capacitor Fixed Cer by Avx Filters Corporation. The National Stock Number assigned to this part is 5910004009588, 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 X20A123J.