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Opus 88 Internal O Ring Specs


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I was cleaning my Opus 88 demonstrator and managed to drop down the drain the internal o ring that seats at the end of nib unit and seals with the rod in the barrel. Would some kind soul please post the dimensions for said o ring. I've seen an approximation of .25" outer diameter/.125" inner diameter. Thank you so much!





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  • alkman


  • Uncial


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Just put a very small amount of ink in to test it. If it does work do come back and post here - or if it doesn't. I can't tell you how many times I've almost lost that thing down the plug hole

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