Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XSG503-10M1 found under Capacitor Fixed Paper Dielectric by Custom Capacitors Inc. The National Stock Number assigned to this part is 5910000529259, 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 XSG503-10M1.