Fiskars Garden Watering 77506 Raintrain Spray Arm Assembly

Will this fit the Green Orbit traveling tractor sprinkler

Does this come with the plastic piece that has large threads on one end and screws into the tee on other end?

Will this fit a john deere traveling sprinkler? i cannot find anyone who sells the plastic part, that is really all i need.

Does it come with instructions on how to remove the broken t part?