Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17689 found under Cutter Milling End by New York Twist Drill Inc. The National Stock Number assigned to this part is 3455000118719, and the Federal Supply Class is 3455 Cutting Tools For Machine Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 17689.