Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HD2 031T HD2 032T found under Roller Bearing by Aai Corporation. The National Stock Number assigned to this part is 3110012477998, 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 HD2 031T HD2 032T.