Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HPC162100-6 found under Valve Shuttle by Tactair Fluid Controls Inc. The National Stock Number assigned to this part is 4820000926590, 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 HPC162100-6.