Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K11 99004-0292 found under Valvediaphragmstop by Fairbanks Morse Llc. The National Stock Number assigned to this part is 4820016959476, 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 K11 99004-0292.