Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16-500-00 found under Engraving Machine Pantograph by Gravograph New Hermes Inc. The National Stock Number assigned to this part is 3417010134766, and the Federal Supply Class is 3417 Milling Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16-500-00.