Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 066R 24 INCH found under Saw Chain by Stihl Inc. The National Stock Number assigned to this part is 3695013783839, and the Federal Supply Class is 3695 Miscellaneous Special Industry Machine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 066R 24 INCH.