Rob -

Freud would have a field day with this response, but here's my story...

My pin wasn't quite long enough to engage the hole in the mast securely, 
and the hole for the pin in the plastic piece had gotten a bit loose and 
sloppy over the years, allowing the pin to tip under load and slide out 
of the hole in the mast occasionally. The loud crash and subsequent 
repair to the pop top led me to hunt for a new pin, and a long last I 
found the piece by searching for "plunger pin ring" at 
https://www.zoro.com . More specifically, I went with the pin at 
https://www.zoro.com/innovative-components-plunger-pin-ring-1-in-58-11-044-3jcy7/i/G2486522/ 
.

I had to drill, countersink, and tap the plastic to insert the new pin, 
but at long last, the pin and the hole are happy with one another. The 
boom won't move anymore - unless I want it to.

Best of luck -

Dennis
Magic Moments
just a few degrees warmer...

On 2/23/2017 11:49 AM, Lowe, Rob wrote:
> Not a good photo at all, but the best I could get.  Attached is a photo of the pop top attachment that I've taken apart.  The pin is in the center.  It's just a piece of metal with two different diameters and a spring on the smaller section.  Anyone know where to find something like this? - rob
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