Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UBB50-18CSTG found under Rudder Boat by Uniflite Inc. The National Stock Number assigned to this part is 2040000569017, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like UBB50-18CSTG.