Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5700-2B PART A found under Link Middle by United States Department Of Treasury. The National Stock Number assigned to this part is 3441010660154, and the Federal Supply Class is 3441 Bending And Forming Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5700-2B PART A.