Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1680-036 found under Muffler Exhaust by Veeco Instruments Inc. The National Stock Number assigned to this part is 2990010934067, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1680-036.