Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HDLG12SSA12 found under Bearing Plain Self by U S Bearings And Drives Inc. The National Stock Number assigned to this part is 3120005297909, 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 HDLG12SSA12.