Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B55622 found under Puller Bearing And Spacer by Siemens Demag Delaval Turbomachi. The National Stock Number assigned to this part is 5120000715540, 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 B55622.