Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S793A found under Valve Gate by Opw Fueling Components Inc. The National Stock Number assigned to this part is 4820009507687, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S793A.