Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4500 found under Sander Disk Pneumatic Portable by Nilfisk Advance Americainc. The National Stock Number assigned to this part is 5130013710124, and the Federal Supply Class is 5130 Hand Tools Power Driven. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4500.