Husqvarna nut with article number 5321104-52 Spare part from the Husqvarna spare parts catalog Suitable for example: Husqvarna LT151 Husqvarna LTH154 Husqvarna TS 138 Jonsered LT 2115 Jonsered LT 2217 A Jonsered LT 2216 Husqvarna TS 238