Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 55-22213 PART 24 found under Nut Sleeve by Ram Centrifugal Products Inc. The National Stock Number assigned to this part is 5310011261159, 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 55-22213 PART 24.