Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STD64934 found under Mandrel Bearing Lap by Kelsey Hayes Company Inc. The National Stock Number assigned to this part is 3460000124622, and the Federal Supply Class is 3460 Machine Tool Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like STD64934.