Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GS4066 found under Connector Plug Elec by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 5935005571755, 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 GS4066.