My Motive Power Bleeder #0109 fits my NC (both of them). That's the one with the aluminum adapter, which is the #1109. The #1100 adapter is the plastic one.
They are available at a lot of places online. Here are the links for Amazon.
1109: https://www.amazon.com/Motive-Produc.../dp/B000TYE170
1100: https://www.amazon.com/Motive-Produc.../dp/B000Q6UHQK