Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1013 found under Plate Retaining Bearing by United States Postal Service. The National Stock Number assigned to this part is 3110004059075, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R1013.