Specifications

9/8/98 AC 43.13-1B
Par 11-190 Page 11-77
T
ABLE 11-15. Plate nut bonding or grounding to flat surface.
Aluminum Terminal and Jumper
Structure
Screw or bolt
and nut plate Rivet Lockwasher Washer A Washer B
Aluminum Alloys
Magnesium Alloys
Steel, Cadmium
Plated
Steel, Corrosion Re-
sisting
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Corrosion Resisting
Steel or Cadmium
Plated Steel
Aluminum Alloy
Aluminum Alloy
Corrosion
Resisting Steel
Corrosion
Resisting Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel or
Aluminum
Cadmium Plated
Steel or
Aluminum
Cadmium Plated
Steel or
Aluminum
Cadmium Plated
Steel or
Aluminum
None
None or Mag-
nesium Alloy
None
Cadmium
Plated Steel
Tinned Copper Terminal and Jumper
Aluminum Alloys
Magnesium Alloys
1
Steel, Cadmium
Plated
Steel, Corrosion
Resisting
Cadmium Plated
Steel
Cadmium Plated
Steel
Corrosion Resisting
Steel
Aluminum Alloy
Corrosion
Resisting Steel
Corrosion
Resisting Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Cadmium Plated
Steel
Aluminum
2
Alloy
None
None
1
Avoid connecting copper to magnesium.
2.
Use washers having a conductive finished treated to prevent corrosion, suggest AN960JD10L