Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99-1450057 found under Mandrel Bearing Ali by Nato Stock Number Assigned By An. The National Stock Number assigned to this part is 3460004800804, 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 99-1450057.