Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SGT523-2 found under Cover Hydraulic Pum by United Valve Company Div Of Federal. The National Stock Number assigned to this part is 1650014730093, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SGT523-2.