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4、outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/MA1549AEROSPACESTANDARDMA1549 Issued 1980-04 Reaffirmed 2012-11 Wrenching Configuration, 12 Spline, For Metric Threaded Fasteners RATIONALEMA1549 has been reaffirmed to comply with the SAE five-year review policy. SAE MA1549 Page 2 of 3 SAE MA1549 Page 3 of 3
