Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X4215 found under Capacitor Fixed Pap by Wico Prestolite Co The Div Of Eltra. The National Stock Number assigned to this part is 5910003646995, 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 X4215.