Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 33-227 found under Blade Circular Saw Woodcutting by Btr Valve Sealants Inc. The National Stock Number assigned to this part is 3230010925835, and the Federal Supply Class is 3230 Tools Attachments For Woodwork Machinery. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 33-227.