Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7B250 1500 1100 found under Filter Band Pass by Technical Services Laboratory Inc. The National Stock Number assigned to this part is 5915012165080, 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 7B250 1500 1100.