Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 612SB found under Clamshell Pipe Lath by Tri Tool Inc. The National Stock Number assigned to this part is 3450014376877, and the Federal Supply Class is 3450 Machine Tools Portable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 612SB.