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Conditions for approval required by: Philip Edwards
Certification of Aerospace Products to international quality Standards
Certification of Aerospace Products to international quality Standards
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Please confirm what material specifications have been used with the nut, washer and basket. how do they link to the material standards called out in TR3791
Cage : the raw material used is 25CD4 per table 2 of the TR3791 ( See TR3791 Highlighted) ( see COC of our supplier PATURLE) per our internal specification SAM0004( See SAM0004 first page enclosed )
NUT : The raw material chosen in the TR3791 standard is AISI 4130 ( see TR3791 highlighted table 1 ) see COC from Future metals and Republic steels enclosed).
Self aligning washer : raw material selected is 35CD4 ( see table 1 of TR3791highlighted) from BROWN EUROPE . This raw material is supplier in accordance with our internal specification SAA0014 enclosed.
approved