Warbird Information Exchange

I'm trying to find out more info about the material spec. 26554 Type II.

Its called out in the B-17 prints as the material for a hydraulic accumulator gasket. I'm not sure if it is a Boeing specific spec or a commercial one. Any ideas?

Thanks,
David Carr

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B-17 Texas Raiders --- Maintenance Officer

Any numbers or letters in front of that number? Like LAS? Grade A?

My gasket folks say it sounds familiar.

Is this a Milspec number? or something else?

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Zane Adams
There I was at 20,000 ft, upside down and out of ammunition.
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