Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 283B found under Boring Machine Vertical Woodwork by Wysong And Miles Company. The National Stock Number assigned to this part is 3220008351642, and the Federal Supply Class is 3220 Woodworking Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 283B.