Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PDA8647 found under Bearing Plain Self Aligning by Product Development Group Inc. The National Stock Number assigned to this part is 3120006617098, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PDA8647.