Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1550-25052 found under Bushing Lower Nozzl by Umoe Schat Harding Ltd. The National Stock Number assigned to this part is 2010013315442, and the Federal Supply Class is 2010 Ship And Boat Propulsion Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1550-25052.