Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 138C309H01 found under Capacitor Fixed Mica Dielectric by Custom Electronics Inc. The National Stock Number assigned to this part is 5910010268504, 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 138C309H01.