Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 485019TB found under Converter Digital To Digital by B And B Electronics Mfg Co. The National Stock Number assigned to this part is 7050015683380, and the Federal Supply Class is 7050 Adp Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 485019TB.