Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SY4S 05C found under Socket Plug In Elec by Idec Corporation. The National Stock Number assigned to this part is 5935016175562, 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 SY4S 05C.