FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 4. Metal Structure, Welding, and Brazing | 4. Metal Repair Procedures | 4-57. Riveting
AC 43.13-1B
TABLE 4-8. Aircraft rivet identification. (continued)
Material
Carbon
Steel
Corrosion-
Resistant
Steel
Head
Marking
Recessed
Triangle
Recessed
Dash
Copper
Plain
9/8/98
Monel
Plain
Monel
Nickel-
Copper
Alloy
Recessed
Double
Dots
Brass
Plain
Titanium
Recessed
Large and
Small Dot
AN
Material
Code
AN425
78�
Counter-
Sunk Head
AN426 100�
Counter-
Sunk Head
MS20426
AN427 100�
Counter-
Sunk Head
MS20427
AN430
Round Head
MS20470
AN435
Round Head
MS20613
MS20615
AN 441
Flat Head
AN 442
Flat Head
MS20470
AN 455
Brazier
Head
MS20470
AN 456
Brazier
Head
MS20470
AN 470
Universal
Head
MS20470
Heat Treat
Before Us-
ing
Shear
Strength
psi
Bearing
Strength
psi
X
X
MS20613
X
No
35000
90000
F
X
X
MS20613
No
65000
90000
C
X
X
X
No
23000
M
C
MS 20426
X
X
X
MS20615 MS20615
X
X
No
No
No
No
49000
49000
95000
Page 4-18
Par 4-57