Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15-45D found under Mandrel Machine Solid by Tri State Precision Inc. The National Stock Number assigned to this part is 3460015170862, 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 15-45D.