Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 03-1172A-4S05 found under Tab Nuetral Cu With 3 Point Push by Electric Power Equipment Co. The National Stock Number assigned to this part is 5940015394823, 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 03-1172A-4S05.