A sample from the products for the F-21 Seat include: Bolt,flange,8x16, Nut, Hex, 6 Mm, Seat,comp,double, Washer, Spring, 6 Mm.
This F-21 Seat diagram displays the required parts for the Gl1000k3 F-21 Seat.
On this parts fiche the Nut, Hex, 6 Mm is the most specified component.