Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 00004A1441-1 found under Transient Fltr Mod by Drs Training And Control Systems Llc. The National Stock Number assigned to this part is 5915015096820, 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 00004A1441-1.