Thrush Aircraft S2R–T660 Maintenance Manual page 70

Steel Tension
AN 3 thru AN 20
AN 42 thru AN 49
AN 73 thru AN 81
AN 173 thru AN 186
AN 20033 thru MS 20046
MS 20073
MS20074
AN509 NK9
MS 24604
AN 525 N K525
MS27039
Steel Tension
AN 310
AN 315
AN 363
AN 365
NAS 1021
MS 17825
MS 21045
MS 20365
MS 20500
NAS 679
MS 21042
MS 21044N
MS 21046
Nut-bolt Torque Limits
size in-lbs
Min. Max.
8-36 12 15
10-32 20 25
¼ -28 50 70
5/16 - 24 100 140
3/8 – 24 160 190
7/16-20 450 500
½ - 20 480 690
9/16 – 18 800 1,000
5/8 – 18 1,100 1,300
¾ - 16 2,300 2,500
7/8 – 14 2,500 3,000
1 – 14 3,700 4,500
1 1/8 -12 5,000 7,000
1 ¼ - 12 9,000 11,000
2-52
THRUSH AICRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
FINE THREAD SERIES
BOLTS
NUTS
Steel Shear
AN 320
AN 364
NAS 1022
MS 17826
MS 20364
MS 21083N
MS 21245
Torque Limits
in-lbs
Min. Max.
7 9
12 15
30 40
60 85
95 110
270 300
290 410
480 600
660 780
1,300 1,500
1,500 1,800
2,200 3,300
3,000 4,200
5,400 6,600
Figure 2-7
Torque Chart
Steel Tension
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 1103 thru NAS 1120
NAS 1202 thru NAS 1210
NAS 1303 thru NAS 1320
NAS 6203 thru NAS 6220
NAS 6603 thru NAS 6620
NAS 172
NAS 174
NAS 517
Steel Tension
AN 310
AN 315
AN 363
AN 365
MS 17825
MS 20365
MS 21045
NAS 1021
NAS 679
NAS 1291
MS 21042
MS 21044N
MS 21046
Nut-bolt Torque Limits
size in-lbs
Min. Max.
8-36 -----
10-32 25
¼ -28 80
5/16 - 24 120
3/8 – 24 200
7/16-20 520
½ - 20 770
9/16 – 18 1,100
5/8 – 18 1,250
¾ - 16 2,650
7/8 – 14 3,550
1 – 14 4,500
1 1/8 -12 6,000
1 ¼ - 12 11,000
Effective: 01/10/05
BOLTS
Steel Shear
NAS 454
NUTS
Steel Shear
AN 320
AN 364
NAS 1022
MS 17826
MS 20364
MS 21083N
MS 21245
Torque Limits
in-lbs
Min. Max.
----- ----- -----
30 15
100 50
145 70
250 120 150
630 300 400
950 450 550
1,300 650 800
1,550 750 950
3,200 1,600 1,900
4,350 2,100 2,600
5,500 2,700 3,300
7,300 3,600 4,400
13,400 6,600 8,000
R1
20
60
90