Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1.250008UN2BT1G500NSA BDA found under Nut Plain Hexagon by Electric Boat Corporation. The National Stock Number assigned to this part is 5310012124583, 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 1.250008UN2BT1G500NSA BDA.