Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TL20D32A found under Filter Band Pass by U S Dept Of Transportation Federal. The National Stock Number assigned to this part is 5915003780240, 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 TL20D32A.