Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1511 44 80-10 4 found under Motor Stepping by Ahearn And Soper Co Inc. The National Stock Number assigned to this part is 6105012056503, 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 1511 44 80-10 4.