Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N2-1-S-9001 found under Gear Set Miter Modi by Roller Bearing Co. The National Stock Number assigned to this part is 1265002087570, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like N2-1-S-9001.