Nos 19vmnp22 tube missing heater pin ??

mtp66

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I found what appears to be a NOS 19VMNP22 tube in my buddies warehouse. I was planning to use it to do a tube swap in a GO7 monitor I have that has terrible burn in. Anyway some of the heater pins were slightly bent when I found it, but it appears as though it is missing one pin near the key. I added a couple of pics so you can see. Is it possible that this pin has broken off ?
 

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There are two spaces next the the wedge. I believe it is normal not to have a pin right next to the wedge, but there is also an empty space on the second slot over. Counting the pin in the wedge there are only 9 pins. Shouldn't there be 10 ?
 
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Your tube (19VMNP22) uses sencore adapter #3.

So does the Amplifone 25" tube (A63AAX00X)

So that means they have the same pinouts. So this pic may help you compare (This is an Amplifone)

Amp_Pins.jpg
 
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