Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E4011S2105106B55 found under Backshellelectrical Connector by Electro Adapter Inc. The National Stock Number assigned to this part is 5935016832552, 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 E4011S2105106B55.