Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U21817-SIZ10M6 found under Motor Control by Transicoil Llc. The National Stock Number assigned to this part is 6105008829601, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like U21817-SIZ10M6.