Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4999-2162-105 found under Network Summation by Trak Microwave Corporation. The National Stock Number assigned to this part is 5915011370262, 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 4999-2162-105.