Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GD5971 found under Coupler Bearing by Cardwell Condenser Corp. The National Stock Number assigned to this part is 3120001458307, 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 GD5971.