Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C478T213-4 found under Network Delay Assem by Lau Technologies. The National Stock Number assigned to this part is 5915003978628, 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 C478T213-4.