What does "MPN" mean?

[audrey5400]

MPN shows up when filling in specifics, what does it stand for?

[davewil1964]

As pennyforum advised SIX years ago.

[andrew0123]

six years and three days. I love when old threads get bumped. It reminds people to check old threads before posting questions that have already been answered. 

[davewil1964]

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@andrew0123 wrote:

six years and three days. I love when old threads get bumped. It reminds people to check old threads before posting questions that have already been answered. 

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I doubt is works, given the number of old threads bumped. Usually without adding anything material, as in this case.