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10-32 Fitting O-ring

10-32 Fitting O-ring

10-32 Fitting O-ring

Apologies if a question like this has been answered my searches turned up empty

I have a #10-32 UNF threaded fitting that I would like to seal with an o-ring

I looked at the Parker O-ring handbook and saw the "tube fitting boss seals" (p.4-22) under the static o-ring sealing section. Unfortunately the thread sizes only go down to 1/4-28. Is there any information on designing an o-ring seal for this fitting, and the size of the o-ring required?

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