Parts such as the Atac: Link,arm A Atac, Link Arm B,atac, Spring,joint Pipe, Exh.pipe Comp,a are included in the Ns400r 1985 (f) France Atac parts fiche.
With four applications this Cotter,butterfly is the most specified part.
This schematic depicts all components used in the Ns400r 1985 (f) France Atac partslist.