Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS6QQ7884PH found under Valve Assembly by Durabla Mfg Co. The National Stock Number assigned to this part is 4820005877106, 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 HS6QQ7884PH.