Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HD7-613T found under Bearing Ball Annular by Aai Corporation. The National Stock Number assigned to this part is 3110001145989, 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 HD7-613T.