Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ES1-444R4 found under Coil Interpole by General Dynamics Corporation. The National Stock Number assigned to this part is 6105003690731, 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 ES1-444R4.