Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X1980XA156-003 found under Terminal Stud by Bae Systems Information And Electronic Systems Integration I. The National Stock Number assigned to this part is 5940005783931, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X1980XA156-003.