MS21253S
Table I. Dash numbers and dimensions.
Dash number |
Wire rope diameter reference |
Minimum breaking strength lbs. |
Matches bearing number reference |
Thread T UNF-3A |
0C +0.000 -0.006 |
0D +0.002 -0.000 |
F +0.010 -0.005 |
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Direction of thread |
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RH |
LH |
Nominal reference |
Minimum |
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-3RS |
-3LS |
3/32 |
0.093 |
1,600 |
MS27640- KP3 |
0.1900 (#10)-32 |
0.139 |
0.190 |
0.500 |
-3RL |
-3LL |
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-4RS |
-4LS |
1/8 |
0.125 |
2,200 |
MS27640- KP4 |
0.2500 (1/4)-28 |
0.195 |
0.250 |
0.750 |
-4RL |
-4LL |
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-5RS |
-5LS |
5/32 |
0.156 |
3,200 |
0.3125 (5/16)-24 |
0.249 |
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-5RL |
-5LL |
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-6RS |
-6LS |
3/16 |
0.187 |
4,600 |
MS27640-KP5 |
0.313 |
0.813 |
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-6RL |
-6LL |
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Table I. Dash numbers and dimensions - Continued.
Dash number |
G ±0.005 |
H |
J +0.010 -0.000 |
M |
S0S +0.125 -0.110 |
W radius |
y +0.047 1/ |
z +0.031 |
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Direction of thread |
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RH |
LH |
Maximum |
Minimum |
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-3RS |
-3LS |
0.312 |
1.062 |
0.031 |
0.1638 |
0.1568 |
0.750 |
0.156 |
0.500 |
2.312 |
-3RL |
-3LL |
3.187 |
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-4RS |
-4LS |
0.500 |
1.188 |
0.047 |
0.2224 |
0.2152 |
0.875 |
0.188 |
0.625 |
2.562 |
-4RL |
-4LL |
3.437 |
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-5RS |
-5LS |
0.2830 |
0.2754 |
0.750 |
2.687 |
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-5RL |
-5LL |
3.562 |
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-6RS |
-6LS |
0.563 |
1.313 |
1.000 |
2.750 |
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-6RL |
-6LL |
3.625 |
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1/ 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. Tolerances: Unless otherwise specified, tolerances: decimals ± 0.010, angles ± 0.5°.
7. Outside diameter (O.D.): O.D. of the "J" dimension may be a flat area.
2
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