Mooney M20K - Page 22

MOONEY
AIRCRAFT
CORPORATION
M20K
SERVICE
AND
MAINTENANCE
MANUAL
AN/MS
STANDARD
BOLTS,
NUTS
TORQUE
TABLES
Fine-Thread
Series
Tension-type
Shear-type
TENSION-type
SHE\R
-type
NUT-BOLT
AN()BOLTS
AN()BOLTS
NAS()
BOLTS
NAS()
BOLTS
SIZE
AN-365/AN
310
AN-364/AN320
AN-365/AN-310
AN-364/AN320
NUTS
NUTS
NUTS
NUTS
8-36
12-15
7-9
10-32
20-25
12-15
25-30
15-20
1/4-28
50-70
30-40
80-100
50-60
5/16-24
100-140
60-85
120-1
45
70-90
3/8-24
160-190
95-110
200-250
120-150
7/16-20
450-500
270300
520-630
300-400
112-20
480-690
290-410
770-950
450550
9~1
6-18
800-1
000
480-600
1100-1300
650-800
5/8-18
1100-1300
600-780
1250-1550
750-950
3/4-16
2300-2500
1300-1500
2650-3200
1600-1
900
7/8-14
2500-3000
1500-1800
3550-4350
2100-2600
1-14
3700-5500
2200-3300
4500-5500
2700-3300
11/8-12
5000-7000
8000-4200
6000-7300
3600-4400
11/4-12
9000-11000
5400-6600
11000-13000
6600-8000
Coarse-Thread
Series
8-32
12-15
7-9
10-24
20-25
12-15
1/4-20
40-50
2530
5/1
6-18
80-90
48-55
3/8-16
160-185
95-1 00
7/1
6-1
4
235-255
140-155
1/2-13
400-480
240-290
9~1
6-12
1500-700
300-420
5/8-11
700-900
420-540
3/4-10
1150-1600
700-950
7/8-9
2200-3000
1300-1
800
Figure
5-2
Reference:
Federal
Aviation
Agency
Advisory
Circular
No.
43.13-1%
p.
118
Recommended
Torque
Values
for
Nut-Bolt
combination
(Units
are
inch-pounds)
1.
Be
sure
nut
and/or
bolt
threads
are
clean
and
dry(unless
Mfg.
states
otherwise.
2.
Run
bolt down
near
contact
with
washer.
or
bearing
surface and
check’friction
drag
torque"
required
to
tum
bolt/nut.
3.
Measure
torque
required
to turn
bolt
just
before
contact
of
bolt’s
washer
face to
surface
C’FRICTION
DRAG
TORQUE").
Add
this
"friction
drag
torque"
to
the
recommended
torque
value
from
Figure
5-2.
This
value
is
con-
sklered "Final
Torque
Value".
(FRICTION
DRAG
TORQUE
REC~MD
TORQUE
FINAL
TORQUE
VALUE).
CAUTION
DO NOT
REUSE
LOCKNUTS
IF
MN
CAN
BE
RUN UP
FINGER
TIGHT.
5-20-01
11
OLDWILLWAYNE