Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HGF16620 found under Valve Rotary Select by Qccllc. The National Stock Number assigned to this part is 4820015324371, 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 HGF16620.