Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S4A-75-2A1 found under Terminal Board by La Marche Mfg Co. The National Stock Number assigned to this part is 5940013000755, 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 S4A-75-2A1.