In this tutorial you will create this part.
1. Click New. 
Click Part, 
OK.
2. Click Front Plane and click on Sketch.
3. Select centerline, 
sketch vertical line start from origin, roughly 1.5in 
and OK. 
4. Click circle 
and sketch a circle on left side of the centerline. 
5. Click Smart Dimension, 
click sketched circle and set it diameter to 0.75in and add dimension for it location as below sketch 
and OK.
6. You just completed your sketch, let’s build feature from it. Click Feature>Revolved Boss/Base 
7. Click centerline as axis 
OK.
8. You’re done!
