MIL-DTL-24677B
3.5 Physical requirements. The finished rope shall conform to the physical properties specified in table III
when tested as specified in 4.5. The circumference shall be as specified in table III (see 6.2)
TABLE III.
Physical Properties.
Circumference
Diameter
Linear density
at load P
(nominal
Load P
plus or minus
Breaking strength
(nominal inches)
inches)
(pounds)
5 percent
(minimum pounds)
(pounds/100 feet)
3/4
1/4
13
2.0
1900
1
5/16
20
3.1
2935
1 - 1/8
3/8
28
4.5
4245
1 - 5/16
7/16
38
6.1
5730
1 - 1/2
1/2
50
8.0
7500
1 - 3/4
9/16
63
10.1
9450
2
5/8
78
12.5
11660
2 - 1/4
3/4
113
17.9
16610
2 - 1/2
13/16
132
21.1
19580
2 - 3/4
7/8
153
24.4
22660
3
1
200
31.9
29480
3 - 1/2
1 - 1/8
253
40.4
37290
3 - 3/4
1 - 1/4
313
49.8
45870
4
1 - 5/16
345
55.0
50600
4 - 1/2
1 - 1/2
450
71.8
61000
5
1 - 5/8
528
84.0
74000
5 - 1/2
1 - 3/4
613
97.7
84000
6
2
800
128.0
105000
6 - 1/2
2 - 1/8
903
144.0
118000
7
2 - 1/4
1013
161.0
133600
7 - 1/2
2 - 1/2
1250
199.0
162000
8
2 - 5/8
1378
220.0
180000
9
3
1800
287.0
232000
10
3 - 1/4
2113
337.0
277000
11
3 - 1/2
2450
419.0
335000
12
4
3200
510.0
396150
13
4 - 1/4
3613
576.0
446500
14
4 - 1/2
4050
646.0
500650
15
5
5000
798.0
616550
16
5 - 1/4
5513
879.0
679250
3.5.1 Elongation. The elongation of the rope shall not be greater than 30 percent at the minimum breaking
strength when determined as specified in 4.5.5. The load elongation curve, drawn autographically, shall not
exhibit evidence of sudden changes in load applications greater than 5 percent of the load weighed at the instance
of change. Changes due to splice slippage shall not be considered in this determination.
3.6 Extraneous material. No extraneous material shall be added for the purpose of weighting the rope. The
extractable matter of the finished rope shall not be greater than 5 percent when tested as specified in 4.5.6.
MIL-DTL-24677B
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