Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HT 131 found under Trimmer Tree Pole Mounted by Stihl Inc. The National Stock Number assigned to this part is 3750016123028, and the Federal Supply Class is 3750 Gardening Implements And Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HT 131.