Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1665 found under Bearing Sleeve by Teamtec A S. The National Stock Number assigned to this part is 3120251505216, 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 1665.