MIL-DTL-45916C
3.8.1.2 Type IA inserts shall withstand 90% of the Type I and II torque-out strengths
specified in Table II.
3.8.2 Rotational resistance (torque-out). Type I and II inserts shall withstand the torque-out
strengths specified in Table II with no failure of either the insert or parent material.
3.8.2.1 Type IA inserts shall withstand 90% of the Type I and II torque-out strengths
specified in Table II.
TABLE II. Pullout Resistance and Rotational Resistance (Torque-Out).
Nominal
Type I
Type II
Size
Insert
Pullout
Torque-Out
Insert
Pullout
Torque-Out
Internal
Length
Strength
Strength
Length
Strength
Strength
Thread
(Inch)
(Lbs)
(Inch-Lbs)
(Inch)
(Lbs)
(Inch-Lbs)
.188
990
5
.190
700
5
.086
.156
790
4
.160
490
4
.125
595
3
.120
350
3
.234
1,530
8
.230
1,100
8
.112
.187
1,225
6
.190
825
5
.156
920
5
.160
560
4
.281
2,390
13
.280
1,720
13
.138
.218
1,910
10
.220
1,160
7
.187
1,435
8
.190
975
5
.328
3,300
18
.330
2,100
18
.164
.250
2,640
14
.250
1,300
12
.218
1,980
10
.220
1,200
8
.375
4,325
30
.370
3,500
30
.190
.296
3,460
24
.300
2,200
19
.250
2,595
18
.250
1,750
14
.484
7,100
40
.490
5,400
40
.250
.375
5,680
32
.370
2,900
30
.312
4,260
24
.310
2,050
20
.562
10,400
75
.560
6,700
75
.3125
.469
8,320
60
.470
3,900
50
.375
6,240
45
.370
2,850
30
.687
15,790
120
.680
8,100
120
.375
.562
12,630
104
.560
6,300
70
.437
9,475
72
.440
4,900
50
.4375
.781
20,400
160
Note:
.906
26,800
200
Type I inserts tested in 356T6
.500
.750
21,440
160
Aluminum alloy.
.562
16,080
120
.5625
1.000
31,800
250
Type II inserts tested in 5083-H321
1.125
41,800
350
Aluminum alloy.
.625
.937
33,440
280
.687
25,080
210
1.375
61,300
500
.750
1.125
49,040
400
.812
36,780
300
3.8.3 Hardness. Inserts shall have a hardness range as specified in MS35914 and
MS51836.
3.9 Discontinuities. Inserts shall contain no discontinuities which exceed the following
limitations. When visual inspection discloses discontinuities which show cause for further
examination, magnetic particle or penetrant inspection, as applicable shall be performed as
specified in 4.5.2.
5
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