Avidyne IFD540 Installation Manual page 126

Fuselage Skin
Thickness
0.016" - 0.025"
0.016" - 0.025"
0.032" - 0.025"
0.032" - 0.050"
‡
Rivet type is dependent on the type of rivets in the adjacent fuselage structure.
If the adjacent rivets in the structure around the bay selected for the doubler
installation are protruding head type, install MS20470AD rivets in the outer
row of the doubler. If the adjacent rivets are countersunk or dimpled, install
either MS20426AD or NAS1097AD rivets per the table above.
600-00299-000
‡
Adjacent Structure
Rivet Type Thickness
Dimpled skin /
Countersunk Rivets
Protruding Head
Rivets
Countersunk Skin /
Countersunk Rivets
Protruding Head
Rivets
Table 93: Rivet/ Doubler Selection
Figure C - 36: GPS Antenna Doubler Installation
Page 126 of 198
IFD5XX Installation Manual
Doubler Outer Rivet Row in
Doubler
0.020" MS20426AD3
(Double Dimple)
0.020" MS20470AD3
0.032" NAS1097AD4
(Countersunk)
0.032" MS20470AD4
Inner Four Rivet in
Doubler
MS20426AD3
(Double Dimple)
MS20426AD3
(Double Dimple)
NAS1097AD4
(Countersunk)
NAS1097AD4
(Countersunk)
Revision: 02