Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S21697 found under Crane Locomotive Di by Lucas Western Inc. The National Stock Number assigned to this part is 2230006240180, and the Federal Supply Class is 2230 Right Of Way Construction And Maintenance Equipment Railroad. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S21697.