Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S70H48 found under Valve Ball by The Entwistle Company. The National Stock Number assigned to this part is 4820014649951, 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 S70H48.