Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TECUL400400B6-S found under Filter Band Pass by Te Connectivity Networks Inc. The National Stock Number assigned to this part is 5915016470847, 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 TECUL400400B6-S.