Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RK55025 found under Tool Swaging Bearing by Jamaica Bearings Co Inc. The National Stock Number assigned to this part is 5120015205960, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RK55025.