Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 121254-77401 found under Armature Generator by Yanmar America Corporation. The National Stock Number assigned to this part is 2920016029230, and the Federal Supply Class is 2920 Engine Electrical System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 121254-77401.