Robert,

I've used a couple of 1 3/8" spinners for a 1/2A project. I had to trim the cutouts a bit to fit the props.

My only complaint was that the 5-40 screw on one of the spinner sets stripped when I tightened it. I probably tightened it a little too much.

I suspect that they are all old stock, but they seem to work fine for the application. I tried to order a couple of spinners off the web a while back and waited weeks and they were never shipped. My order could have just slipped through  the cracks, but I was able to get them when I was at one of the MECOA swap meets. Which, by the way there is a MECOA swap meet tomorrow (8/15) that I'm planning to attend.

PM me if you would like me to try to get a couple spinners when I'm there.

Regards,
Stan