01 March 2005
NAVAIR 01-1A-509-3
TM 1-1500-344-23-3
TO 1-1-689-3
Table 6-1. Hardware for Stud Bonding or Grounding to Flat Surface
Structure
Screw or Bolt
Plain Nut
Washer **
Washer **
Washer **
Lockwasher
Lockwasher
& Lock Nut
A
B
C&D
E
F
Aluminum Terminal and Jumper
Aluminum
Cadmium
Cadmium
Aluminum
Aluminum
Cadmium
Cadmium
Cadmium
Plated Steel
Plated Steel
Alloy
Alloy
Plated Steel
Plated Steel
Plated Steel
or Aluminum
Magnesium
Cadmium
Cadmium
Magnesium *
Magnesium *
Cadmium
Cadmium
Cadmium
Plated Steel
Plated Steel
Alloy
Alloy
Plated Steel
Plated Steel
Plated Steel
or Aluminum
Steel,
Cadmium
Cadmium
None
None
Cadmium
Cadmium
Cadmium
Cadmium
Plated Steel
Plated Steel
Plated Steel
Plated Steel
Plated Steel
Plated
or Aluminum
Steel,
Corrosion
Cadmium
None
None
Cadmium
Corrosion
Cadmium
Corrosion
Resistant
Plated Steel
Plated Steel
Resistant
Plated Steel
Resistant
Steel
or Aluminum
Steel
Tinned Copper Terminal and Jumper
Aluminum
Cadmium
Cadmium
Aluminum
Aluminum
Cadmium
Cadmium
Cadmium
Plated Steel
Plated Steel
Alloy
Alloy
Plated Steel
Plated Steel
Plated Steel
or Aluminum
Magnesium
Caution: Do not connect copper to magnesium.
Steel,
Cadmium
Cadmium
None
None
Cadmium
Cadmium
Cadmium
Cadmium
Plated Steel
Plated Steel
Plated Steel
Plated Steel
Plated Steel
Plated
Steel,
Corrosion
Cadmium
None
None
Cadmium
Corrosion
Cadmium
Corrosion
Resistant
Plated Steel
Plated Steel
Resistant
Plated Steel
Resistant
Steel
Steel
* When not available, use aluminum alloy
** Uncoated aluminum washers shall be used throughout.
Figure 6-8. Stud Bonding or Grounding to Flat Surface
