38 SAE MA3279B-1995 1995-12-01(R 2006) English Insert, Screw Thread, Helical Coil, Metric Series, Free Running, CRES, Uncoated DoD Adopted 39 SAE MA3331C-1995 1995-12-01(R 2006) English Insert, Screw Thread, Helical Coil, Metric Series, Screw Locking, CRES, Cadmium Plated 40 SAE MA3...