Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 25X20X2-3BLDIRH found under Propeller Marine by Columbian Bronze Corp. The National Stock Number assigned to this part is 2010009467911, 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 25X20X2-3BLDIRH.