Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T55H40-5 SYMBOL 2M found under Starter Motor by Gruenberg Oven Company. The National Stock Number assigned to this part is 6110013539780, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T55H40-5 SYMBOL 2M.