Looks like a transmission input shaft for a Dodge, New Venture nv4500 5 speed transmission

I'd Like to Know:

I would like to know what this is exactly, what it does, what it goes to, what it's used for and who manufactures it. Thanks.

Item History: N/A

Size: It is 10-1/8" in length, the main shaft is 1-1/4" in diameter and the gear is approximately 3-3/8" in diameter.

Markings: None.