Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1-003-0300 found under Filter High Pass by Cec Vibration Products Inc. The National Stock Number assigned to this part is 5915001384887, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1-003-0300.