Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L853NSH2PC85A found under Cutter Countersink by Thomas C Wilson Inc. The National Stock Number assigned to this part is 5133003914622, 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 L853NSH2PC85A.