In this schematic the "Bolt Wash 8x25" is used most often.
Parts such as the Right Front Seat Components: Bolt,flange,10x18, Bolt Wash,10x27, Reclining Adjr R, Nut-wash.,8mm are included in the Civic 1999 (x) 4dr Lx (ka) Right Front Seat Components parts fiche.
The most reasonably priced component used on the Civic 1999 (x) 4dr Lx (ka) Right Front Seat Components is the Nut,flange,8mm.