Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K12-479AS found under Mandrel Machine Solid by Sunnen Products Company. The National Stock Number assigned to this part is 3460010983988, 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 K12-479AS.