replying to larkim, Iggy wrote:
Doesn't sound familiar. If you can upload an image or its link, that would be
very helpful. Typically, plastic pieces aren't meant to be wrenched. It may
only look like a nut, but may actually be a seat for the decorative cover or
skirt...so it doesn't spin freely or appear loose. Otherwise, you may be
entirely correct that something broken apart and you'll need a whole new tap
or a more extensive re-build kit.

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