Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S2C-47A-A4 found under Arrester Electrical by La Marche Mfg Co. The National Stock Number assigned to this part is 5920012057299, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S2C-47A-A4.