Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CT1-1011 found under Nut Sleeve by Anthony York Co. The National Stock Number assigned to this part is 5310012269070, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CT1-1011.