This metering diaphragm is an original part for use in edgers, blowers, trimmers, and chainsaws made by Poulan, Paramount, Weed Eater, Husqvarna, and Jonsered. It fits between the metering diaphragm gasket and the metering diaphragm cover. It is made of a thin material and will need to be replaced if it breaks. A screwdriver may be needed when replacing this part and keep in mind that it is sold individually.
This is a special nut is a commonly utilized hardware that is manufactured for use with Husqvarna chainsaws. It has multiple applications depending on the model of your equipment, please make sure to check appropriate diagrams for correct location and use of this hardware. It is a high-quality component which is made of durable metal and it is sold individually.