Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ICD BTP 451191 1 found under Tray Battery by Bren Tronics Inc. The National Stock Number assigned to this part is 6160016654978, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ICD BTP 451191 1.