Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1E420-5 found under Connector Plug Electrical by Composite Engineering Inc. The National Stock Number assigned to this part is 5935015433038, 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 1E420-5.