Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11M1.50 found under Die Rethreading by Four Star Products Inc. The National Stock Number assigned to this part is 5136014391821, and the Federal Supply Class is 5136 Taps Dies And Collets Hand And Machine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11M1.50.