MIL-DTL-83420M
TABLE V. Qualification and conformance tests and inspections.
Tests
Requirement paragraph
Qualification paragraph
Conformance paragraph
Ductility of steel
Adherence of coating
Identification of product
Examination of product
Breaking strength
Endurance for type I
Endurance for type II
Stretch limits
Test load
-
Tin and zinc coating
-
Low temperature flexibility
-
Resistance to fluids
TABLE VI. Dimension of test sheave** used in type I endurance test.
C 1/ 2/
G 1/
D
Er
Sheave
Ratio to 1
Composition A
Nominal diameter
Construction
Composition
+1/64
+1/64
+.005
+.002
-65 �F
of wire rope (d)
A&B
-1/64
-1/64
-.000
-.000
(-54 �C) test
rm temp test
in.
in.
in.
in.
in.
0.025
0.562
3/8
0.703
-
18.0
3x7
1/32
0.025
0.750
3/8
0.814
23.0
-
3x7
1/32
0.025
0.562
3/8
0.703
-
12.0
7x7
3/64
0.025
0.750
3/8
0.891
16.0
-
7x7
3/64
0.036
0.750
3/8
0.938
-
12.0
7x7
1/16
0.036
1.000
3/8
1.188
16.0
-
7x7
1/16
0.036
0.438
3/8
0.625
-
7.0
7 x 19
1/16
0.036
0.594
3/8
0.782
9.5
-
7 x 19
1/16
0.052
1.220
3/8
1.406
-
13.0
7x7
3/32
0.052
1.313
3/8
1.594
14.0
-
7x7
3/32
0.052
0.656
3/8
0.938
-
7.0
7 x 19
3/32
0.052
0.891
3/8
1.172
9.5
-
7 x 19
3/32
0.069
0.875
3/8
1.250
-
7.0
7 x 19
1/8
0.069
1.188
3/8
1.562
9.5
-
7 x 19
1/8
0.086
1.484
3/8
1.953
9.5
9.5
7 x 19
5/32
0.102
1.781
1/2
2.343
9.5
9.5
7 x 19
3/16
0.118
2.078
1/2
2.734
9.5
9.5
7 x 19
7/32
0.134
2.375
1/2
3.125
9.5
9.5
7 x 19
1/4
0.150
2.671
1/2
3.515
9.5
9.5
7 x 19
9/32
0.167
2.969
9/16
3.907
9.5
9.5
7 x 19
5/16
0.200
3.562
9/16
4.687
9.5
9.5
7 x 19
3/8
1/ Reference numbers, not a mandatory dimension. Left to manufacturer's discretion.
2/ C=D+3d
** The dimensions of the test sheaves are test parameters only and are by no means intended as design criteria.
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