Go to http://www.sears.com and look for replacement parts.
They will pull up the serial number which will then produce the original paperwork, and then it will show what, if any parts are still produced for that model.
NLM < is the code that means No Longer Made.
Something that old, you might want to buy new.
Sometimes finding parts for old items are tough, but I was able to keep a motor running for a craftsman table saw by doing as the described above.
$4.38 later for a capicitor and I was up and running.
(Capicitor actually came from Grainger)
“Your best interest is secured by making the right decisions the first time.”