Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BS 1768 found under Nut Plain Hexagon by British Standards Institution. The National Stock Number assigned to this part is 5310997259351, 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 BS 1768.