Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SL15019 ITEM 11 found under Shaft Shouldered by Sss Clutch Company Inc. The National Stock Number assigned to this part is 3040013393512, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SL15019 ITEM 11.