Question on Rear Differential Drain Plug Washer

I just drained my rear differential fluid. Fluid was very clean after 100k+ miles.
I am looking for advice regarding the washer in replacing the plug.

As the foto shows, it looks to me like the compressed washer.
And as there was no other washer with the plug when I removed it, my conclusion is that the washer is now bonded to the plug itself.
My attempts to pry it free have been fruitless.
What to do?
Put a new washer over it or find a better way to pry it off?
What say those with more experience than me?

 

Perhaps the crush washer is stuck to the differential.

 

Nah checked that already. Thanks

 

FFW to the 1:00 min mark. You can see the new crush washer installed.
https://www.youtube.com/watch?v=qyauqDyk7cg
https://www.tacomaworld.com/threads/2-7l-update-3rd-gen-maintenance-maps-get-300k-miles.789809/

 

Thanks. I went ahead and put the new washer on over whatever that is.
It seems to be sealed fine but I will keep my eye on it for awhile.

 

You're right. There is no ring like on my plug.

 

Yeah, that plug is a little deceiving, your pic polls like a ring is molded in to it, making it look like the old washer is stuck on.
Check that maintenance map, it’s very helpful and has the links to the videos.

 

If you are that concerned, why not just replace the drain plug?

Here's a thread with a few different replacement options: https://www.tacomaworld.com/threads/rear-differential-drain-plug-part-number.655172/

 

Make it real easy. Dig deep and plop down $20 and purchase a new plug and washer. BOOM! Issue solved.

 

Nope, that's how the plug looks. I've changed the fluid on a hand full of these trucks over the years. I would check the housing to see if it's on there.

 

You don’t want two on there, make sure it’s removed

 

Okay. That ring is part of the plug itself.
I was using a handmade aluminum funnel to catch the oil.
When I was cleaning up the washer was stuck to that.
That's why I missed it at first.
Thanks everyone for your insights.