Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 245-7263913-2 found under Nut Sleeve by U D T Inc. The National Stock Number assigned to this part is 5310012035237, 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 245-7263913-2.