Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DE743-2 found under Fastener by Dow Elco Inc. The National Stock Number assigned to this part is 1680013867798, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DE743-2.