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Old 09 July 2021, 15:08   #1
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Country: UK - Scotland
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Seastar hydraulics..

Anyone know the pipe/fittings/thread size and type for Seastar outboard steering?

TIA
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Old 09 July 2021, 17:30   #2
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They use 9/16 parallel 24t per inch if your meaning that fine thread.
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Old 09 July 2021, 17:56   #3
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Yes, thanks, I do mean that but I was looking for all dimensions also. I've done a bit of research and found that the thread sides are either well hidden or not available on the Teleflex/SeaStar website. They appear to want to sell whole parts at serious cost.

However, I've found that they've used 3 different systems of hoses over the years. The rubber hydraulic hoses i was asking about, 3/8" nylon with compression fittings and now nylon tube with push fittings.

I was enquiring because my Delta has pretty old hoses and although they look ok I was considering changing them by making up replacements myself. From info I can gather it seams as though the hoses are 5/16" bore and the threads are, as you say, 9/16" X 24tpi. The ram threads are 1/4"NPT.
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