Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0T20-1-2-2 found under Stem Fluid Valve by Assembly And Test Worldwide Inc. The National Stock Number assigned to this part is 4820013020874, 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 0T20-1-2-2.