Piper Navajo Chieftain PA-31-350 Service Manual page 31

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE II-II. RECOMMENDED NUT TORQUES (Inch-Pounds) (cont.)
FINE THREAD SERIES
BOLTS
Steel Tension
BOLTS
Steel Tension
BOLTS
Aluminum
AN 3 thru AN 20
AN 42 thru AN 49
AN 73 thru AN 81
AN 173 thru AN 186
MS 20033 thru MS 20046
MS 20073
MS 20074
AN 509 NK9
MS 24694
AN 525 NK525
MS 27039
NUTS
Steel Tension
Steel Shear
MS 20004 thru MS 20024
NAS 144 thru NAS 158
NAS 333 thru NAS 340
NAS 583 thru NAS 590
NAS 624 thru NAS 644
NAS 1303 thru NAS 1320
NAS 172
NAS 174
NAS 517
Steel shear bolt
NAS 464
NUTS
AN 3DD thru AN 20DD
AN 173DD thru AN 186DD
AN 509DD
AN 525D
MS 27039D
MS 24694DD
NUTS
AN 310
AN 315
AN 363
AN 365
NAS 1021
MS 17825
MS 21045
MS 20365
MS 20500
NAS 679
AN 320
AN 364
NAS 1022
MS 17826
MS 20364
Steel Tension
AN 310
AN 315
AN 363
AN 365
MS 17825
MS 20365
MS 21045
NAS 1021
NAS 679
NAS 1291
Steel Shear
AN 320
AN 364
NAS 1022
MS 17826
MS 20364
Alum. Tension
AN 3650
AN 3100
NAS 1021D
Alum Shear
AN 320D
AN 364D
NAS 1022D
Nut-bolt
size
Torque Limits
Torque Limits Torque Limits
in-lbs
in-lbs in-lbs
Torque Limits
in-lbs
Torque Limits
Torque Limits
in.lbs in-lbs
Min
Max
8 36
10 -32
1 4-28
5/16-24
3/8- 24
7/16-20
1/2-20
9/16-18
5/8-18
3/4 16
7/8-14
1
-14
NOTE
Min. Max. Min Max
Min. Max
BOLT AND NUT SIZES 10 THROUGH 7 16 INCLUDE
Min Max Min
Max
6
28
60
100
150
270
260
360
420
880
1,200
1.500
2,000
3.650
660
1.300
1.500
2.200
3.000
5.400
780
1.500
1.800
3.300
4.200
6,600
1,250
2.650
3.550
4 500
6000
11,000
1,550
3.200
4,350
5.500
7.300
13,400
750
1,600
2,100
2,700
3,600
6,600
950
1,900
2.600
3,300
4.400
8,000
HANDLING AND SERVICING
Revised: 2/8/82
1B7
1B7