Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP145390-1 found under Clutch Assembly Friction by Eaton Corporation. The National Stock Number assigned to this part is 2520012384212, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SP145390-1.