Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VC-J390Y found under Capacitor Variable Glass Dielectric by Sprague Goodman Electronics Inc. The National Stock Number assigned to this part is 5910009946444, 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 VC-J390Y.