Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53-315 found under Capacitor Variable by Bae Systems Information And Electronic Systems Integration I. The National Stock Number assigned to this part is 5910002235129, 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 53-315.