Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20-07702 found under Ball Valve by Tyco Fire Products Lp. The National Stock Number assigned to this part is 4820003510360, 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 20-07702.