Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BUS654 found under Bushing Sleeve by Curtiss Wright Electro Mechanical Corporation Div Steam And Air Solutions. The National Stock Number assigned to this part is 3120000570706, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BUS654.