Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D20420-13 found under Retainer Electrical Connector by Itt Corporation. The National Stock Number assigned to this part is 5935004858796, 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 D20420-13.