ATLAS Disk Sector Production Summary "All dimensions in mm, weights in grams and temperatures in C" ATLAS Part ID 9020 Front faceplate ID 5339 Back faceplate ID 5311 Total weight 27.702 Front faceplate weight 6.76 Back faceplate weight 6.517 Minimum thickness* 3.31 Maximum thickness* 3.33 Delta thickness 0.02 Parylene thickness 0.015 Maximum front delta T 11.0 Maximum back delta T 11 Pass or Fail Pass Comments "Repaired by hand, coated with 9396" * does not include parylene