Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 224 0084 028 found under Seat by Best Equipment Service And Sales Co. The National Stock Number assigned to this part is 4820013679497, 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 224 0084 028.