FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 7. Aircraft Hardware, Control Cables, and Turnbuckles | 11. Hardware Identification Tables | 7-208. Screws
9/8/98
TABLE 7-11. (CONTINUED)
Screw MS, AN, or
Description
NAS Number
NAS1081
Setscrew, hex. socket,
self-locking
NAS1096
Screw, hex. head, re-
cess, full thr.
AC 43.13-1B
TABLE 7-11. (CONTINUED)
Screw MS, AN, or
Description
NAS Number
NAS1181-1188
Screw, flat fill hd.,
self-locking,
torq.-set
NAS1189
Screw, flat 100° hd.,
full thread, self-locking
NAS1100
NAS1101
Screw, machine,
panhead, full thread,
torq.-set
Screw, machine,
flat fill hd. full thread
NAS1190
NAS1191
Screw, panhead.,
self-locking, full thread
Screw, flat fill. hd.,
full thread, self-locking
NAS1102
NAS1121-1128
NAS1131-1138
NAS1141-1148
NAS1151-1158
NAS1161-1168
NAS1171-1178
Screw, machine, 100°
flathead. full thr. torq.-
set
Screw, machine, flat fill
hd., short thread,
torq.-set
Screw, machine,
pan hd., short thread,
torq.-set
Screw, machine,
panhead. modified,
short thread torq.-set
Screw, machine,
100° flathead.,
sort thread, torq.-set
Screw, machine,
100° flathead.,
shear, torq.-set
Screw, panhead.,
shear, self-lock.,
torq.-set
NAS1216
NAS1217
NAS1218
NAS1219
NAS1220
NAS1221
NAS1298
Screw, panhead
hi-torque, full thread
Screw, panhead,
hi-torque, short thread
Screw, panhead,
hi-torque, short thread
Screw, 100° csk. hd.,
hi-torque, full thread
Screw, 100° csk. hd.,
hi-torque, short thread
Screw, 100° clk. hd.,
hi-torque, long thread
Screw, shoulder,
brazier head
Par 7-196
Page 7-55