Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DP264 found under Sleeve Spindle by Rockwell International Corp. The National Stock Number assigned to this part is 3413003573887, and the Federal Supply Class is 3413 Drilling And Tapping Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DP264.