Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X663UW-10502 found under Capacitor Fixed Metallized Paper by Goodall Mfg Co. The National Stock Number assigned to this part is 5910004130338, 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 X663UW-10502.