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
AC 43.13-1B
TABLE 7-11. (CONTINUED)
Screw MS, AN, or
Description
NAS Number
MS9177-9178
Screw,
dbl. hex. head, cres.
MS9183-9186
MS9187-9188
MS9189-9192
Screw, machine, steel,
drilled 12 pt. hd.,
cad. plate
Screw,
drilled dbl. hex. head,
cres.
Screw, machine, steel,
12 pt. hd., black oxide
MS9206-9214
MS9215-9223
MS9281-9291
MS9292-9302
MS9316-9317
Screw,
dbl. hex. ext. washer
head, diffused nickel
cad. plate
Screw, dbl. hex. ext.
washer head, diffused
nickel cad. plate, drilled
Screw, machine, hex.
hd., AMS 6322
black oxide
Screw, machine,
hex. hd., AMS 6322
blk. oxide, drilled
Screw, machine, steel
slotted hex. head
9/8/98
TABLE 7-11. (CONTINUED)
Screw MS, AN, or
Description
NAS Number
MS16198
Screw, wood, slotted
RH austenitic corr. res.
steel
MS16199
Screw, wood, slot flat-
head, copper silicone
MS16995
MS16996
MS16997
MS16998
MS18063-18068
MS18211
Screw, cap, socket
head hex., corr. resist-
ing steel UNC-3A
Screw, cap, socket
head, hex., corr. re-
sisting steel UNF-3A
Screw, cap, socket
head, hex., alloy steed
cad. UNC-3A
Screw, cap, socket
head, hex., alloy steel,
cad. UNF-3A
Setscrew, self-locking,
cup, flat, cone pts.,
steel & stainless
Screw, machine, flat-
head, plastic, nylon
MS18212
Screw, machine, pan-
head, plastic, nylon
MS9438-9439
MS9631-9639
Screw, mach. steel
AMS 6304 diffused
nickel cad. hex. hd.,
one hole
Screw, mach., hex. hd.
one hole, full shank,
titanium AMS 4967
MS21090
MS21207
Screw, self-lock, pan-
head, cross recessed
Screw, tapping,
100° clk. flathead.,
steel, cres. steel
Page 7-52
Par 7-196