Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TO2298 found under Adjusting Tool Valve Tappet by Air Cruisers Company Llc. The National Stock Number assigned to this part is 5120015912120, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TO2298.