Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22F0004-2 found under Seat Valve by Computer Machining Technology Co. The National Stock Number assigned to this part is 4820004114211, 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 22F0004-2.