Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2301-21-2053-041 DETAIL 3-25A found under Shaft Propulsion Ship by Halter Marine Inc. The National Stock Number assigned to this part is 2010014798860, 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 2301-21-2053-041 DETAIL 3-25A.