Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X00011994 found under Body Valve by Mtu America Incorporated. The National Stock Number assigned to this part is 4820016239075, 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 X00011994.