Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 749B208-1 found under Nut Covered by General Electric Supply Co. The National Stock Number assigned to this part is 5310006139831, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 749B208-1.