Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2404946991 found under Cone Valve by Mann Hummel Gmbh. The National Stock Number assigned to this part is 4820123400575, 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 2404946991.