Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 503NP04R5 25MMF found under Capacitor Variable by Tusonix Inc. The National Stock Number assigned to this part is 5910006861478, 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 503NP04R5 25MMF.