Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 488SIZE3 4IN found under Valve Gate by Crane Company. The National Stock Number assigned to this part is 4820004283094, 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 488SIZE3 4IN.