Husqvarna Hat Air nipple with article number 5320591-92Spare part from the Husqvarna spare parts catalogSuitable for example: Husqvarna TC 138 Husqvarna TC238 Husqvarna LT151 Husqvarna LTH154Husqvarna TC 142 Husqvarna TS 138 Jonsered LT 2115 Jonsered LT 2217 To Jonsered LT 2216