Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50E172300-08 found under Filter Band Pass by F E L Corp. The National Stock Number assigned to this part is 5915001689663, 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 50E172300-08.