Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S81020C-12 found under Backshell Electrica by Servicair B W Elliott Mfg Co Llc. The National Stock Number assigned to this part is 5935012597661, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S81020C-12.