Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WPT64XA-500-60-252-90 found under Cutter Hole Forming Drive Shank by Winslow Aerospace Tool Subsidiary. The National Stock Number assigned to this part is 5133008989879, and the Federal Supply Class is 5133 Drill Bits Counterbores And Countersinks Hand And Machine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WPT64XA-500-60-252-90.