This push-on nut can be used for a variety of household appliances. To find the exact location and proper application of this part, refer to your appliance manual. Push-on nuts, also known as push-on retainers or push-on fasteners, allow components to be easily and securely assembled to a smooth shaft. A push-on nut has radial teeth that ...Read moreare formed at an angle perpendicular to the target shaft. The angled teeth allow the nut to slide onto the shaft in one direction while resisting motion in the reverse direction. Remember, to ensure the nut properly holds the shaft securely in place, it is important that the shaft material is softer than the nut.