Their SAE-AS81820 self-lubricating plain spherical bearings and SAE-AS81934 self-lubricating bushings have already been certified for aerospace use by NAVAIR.
Here is one example of an engineered drawing from their catalog and manufactured by their Godfrey GUANGZHOU, China manufacturing subsidiary. TPAC owns 55% of Godfrey and therefor has controlling interest. Go online to their website at tpacbearings.com and verify this for yourself. Take a look at the Products menu page.
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