Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 30030009421 found under Guide Bar Chain Saw by Stihl Inc. The National Stock Number assigned to this part is 3695015340879, 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 30030009421.