[Milsurplus] " VPP " on gov't part box ?

[Hubert Miller]

I'll go with "Vapor Proof Packed".  It was the "V" that was mostly stumping me.
thanks!
-H

>Only a guess, Hue, but it is probably something like Vapor Proof Packaging, or Vapor Phase Paper, a type of corrosion resisting wrapping paper.

 - Mike
On 1/31/2017 2:03 AM, Hubert Miller wrote:
On a box containing "1 EA. MICROPHONE T-17-E WITH COVER M-367" is the stamping:
VPP 2/45

What does the VPP mean?
tnx-  Hue

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