Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SL17222ITEM215 found under Washer Spring Tension by Sss Clutch Company Inc. The National Stock Number assigned to this part is 5310014154559, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SL17222ITEM215.