Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12198 found under Nut Plain Cap by Triumph Engine Control Systems Llc. The National Stock Number assigned to this part is 5310004846574, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12198.