Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 473-0306-1-20-400 found under by Comatel U S A Inc. The National Stock Number assigned to this part is 5935014734785, 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 473-0306-1-20-400.