MS21255U
TABLE I. Dash numbers and dimensions.
Dash number |
Wire rope diameter |
Minimum breaking strength lbs. |
Thread T UNF-3A |
0A +0.010 -0.000 |
0C +0.006 -0.000 |
D ±0.031 |
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Direction of thread |
||||||||
RH |
LH |
Nominal reference |
Minimum |
|||||
-2RS |
-2LS |
1/16 |
0.062 |
800 |
0.1380 (#-6)-40 |
0.188 0.094 |
0.325 |
|
-2RL |
-2LL |
|||||||
-3RS |
-3LS |
3/32 |
0.093 |
1,600 |
0.1900 (#10)-32 |
0.219 0.133 |
0.416 |
|
-3RL |
-3LL |
|||||||
-5RS |
-5LS |
5/32 1/ |
0.156 |
3,200 |
0.2500(1/4)-28 |
0.281 0.189 |
0.512 |
|
-5RL |
-5LL |
|||||||
-6RS |
-6LS |
3/16 |
0.187 |
4,600 |
0.3125 (5/16)-24 |
0.313 0.243 |
0.527 |
|
-6RL |
-6LL |
|||||||
-8RL |
-8LL |
1/4 |
0.250 |
8,000 |
0.3750 (3/8)-24 |
0.375 0.306 |
0.678 |
|
-9RL |
-9LL |
9/32 |
0.281 |
12,500 |
0.4375 (7/16)-20 |
0.469 0.362 |
0.831 |
|
-10RL |
-10LL |
5/16 |
0.312 |
17,500 |
0.5000 (1/2)-20 |
0.563 0.425 |
0.900 |
|
1/ See note 7.
TABLE I. Dash numbers and dimensions - Continued.
Dash number |
E ±0.031 radius |
I +0.010 -0.000 |
J ±0.005 |
K +0.000 -0.015 |
M |
0S +0.025 -0.010 |
v ±0.016 radius |
y ±0.047 2/ |
z +0.031 -0.015 |
||
Direction of thread |
|||||||||||
RH |
LH |
Maximum |
Minimum |
||||||||
-2RS |
-2LS |
0.125 |
0.031 |
0.125 |
0.031 |
0.1139 |
0.1094 |
0.375 |
0.094 |
0.375 |
1.500 |
-2RL |
-2LL |
2.375 |
|||||||||
-3RS |
-3LS |
0.156 |
0.188 |
0.1638 |
0.1568 |
0.500 |
0.172 |
0.500 |
1.625 |
||
-3RL |
-3LL |
2.500 |
|||||||||
-5RS |
-5LS |
0.219 |
0.047 |
0.219 |
0.2224 |
0.2152 |
0.625 |
0.203 |
0.625 |
1.750 |
|
-5RL |
-5LL |
2.625 |
|||||||||
-6RS |
-6LS |
0.250 |
0.281 |
0.047 |
0.2830 |
0.2754 |
0.688 |
0.250 |
0.750 |
1.875 |
|
-6RL |
-6LL |
2.750 |
|||||||||
-8RL |
-8LL |
0.281 |
0.063 |
0.328 |
0.3454 |
0.3378 |
0.875 |
0.375 |
0.875 |
2.875 |
|
-9RL |
-9LL |
0.359 |
0.078 |
0.375 |
0.4052 |
0.3972 |
1.063 |
0.453 |
1.000 |
3.375 |
|
-10RL |
-10LL |
0.406 |
0.469 |
0.063 |
0.4678 |
0.4597 |
1.188 |
0.500 |
3.625 |
||
2/ Includes last full thread engagement.
REQUIREMENTS:
1. Material: Material shall be in accordance with MIL-DTL-8878.
2. Protective treatment: Protective treatment shall be in accordance with MIL-DTL-8878.
3. Heat treatment: Heat treatment shall be in accordance with MIL-DTL-8878.
4. Finish: Finish shall be in accordance with MIL-DTL-8878.
5. Threads: Threads shall be in accordance with FED-STD-H28/20.
6. Outside diameter (O.D.): O.D. of the "I" dimension may be a flat area.
7. Tolerances: Unless otherwise specified, tolerances: decimals ± 0.010, angles ± 0.5°.
2
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