Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 420BNB3001 found under Sleeve Governor Val by Curtiss Wright Electro Mechanical Corporation Dba Steam And Air Solutions Div Cu. The National Stock Number assigned to this part is 2825007358718, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 420BNB3001.