Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CAT-1-40-24AC-43A found under Starter Motor by Sprecher And Schuh Inc. The National Stock Number assigned to this part is 6110011632947, 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 CAT-1-40-24AC-43A.