Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90788 found under Sleeve Fuel Valve by Ulstein Bergen A S. The National Stock Number assigned to this part is 2910013044112, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 90788.