Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5LBA4400-3KL found under Filter Low Pass by Piezo Technologyinc. The National Stock Number assigned to this part is 5915015672741, 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 5LBA4400-3KL.