Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NL2028-20 found under Bearing Sleeve by Bunting Bearings Llc. The National Stock Number assigned to this part is 3120006626924, 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 NL2028-20.