Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R213 found under Stitcher Cementing And Vulcanizi by Zak And Associates Inc. The National Stock Number assigned to this part is 5120004497498, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R213.