Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 475953 found under Network Summation by Raytheon Service Co Logistics Su. The National Stock Number assigned to this part is 5915010277661, 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 475953.