mattb73lt Posted March 4, 2021 Share Posted March 4, 2021 Anyone have a source for this ring seal for a NH220? It has a 4” ID and round, before it’s compressed into the flange. I’m not having any luck sourcing it through Cummins or my usual go to’s. Quote Link to comment https://www.bigmacktrucks.com/topic/66126-nh220-exhaust-pipe-ring-seal/ Share on other sites More sharing options...
Rob Posted March 4, 2021 Share Posted March 4, 2021 I turned one out on a lathe from a brass sheet many years ago and it's never leaked. That however was on my RD-450 engine in a R-190 IH truck which used the same setup. I couldn't find the original type ring seal neither and that was back in the early 90's. 1 Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/66126-nh220-exhaust-pipe-ring-seal/#findComment-469954 Share on other sites More sharing options...
mattb73lt Posted March 4, 2021 Author Share Posted March 4, 2021 That’s a thought. I was toying with the idea of stacking the gaskets than I can still get, but that’s not really the best solution and may leak or blow out. Quote Link to comment https://www.bigmacktrucks.com/topic/66126-nh220-exhaust-pipe-ring-seal/#findComment-469967 Share on other sites More sharing options...
ws721 Posted March 8, 2021 Share Posted March 8, 2021 Check with Bill Jones in Bow, N.H. He is an old school Cummins and Detroit guru. 603 856 8802 1 Quote Remember if it's got a hood it's no good! Link to comment https://www.bigmacktrucks.com/topic/66126-nh220-exhaust-pipe-ring-seal/#findComment-470243 Share on other sites More sharing options...
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