Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S12-09A04-0452 found under Permanent Magnet Mo by Thomson Industries Inc. The National Stock Number assigned to this part is 2920016050061, 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 S12-09A04-0452.