Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 188947-1 found under Bearingsleeve by Curtis Straus Llc. The National Stock Number assigned to this part is 3120016755701, 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 188947-1.