MS77074B
TABLE I. Dash numbers and dimensions.
Dash no. |
Screw size |
A |
B |
C |
D |
AWG1 size |
|
Min. |
Max. |
||||||
1 |
4 |
0.115 |
0.127 |
25/32 |
5/16 |
11/64 |
12 to 20 |
2 |
6 |
0.141 |
0.153 |
25/32 |
5/16 |
11/64 |
|
3 |
8 |
0.167 |
0.179 |
25/32 |
5/16 |
11/64 |
|
4 |
10 |
0.193 |
0.205 |
51/64 |
11/32 |
5/32 |
|
5 |
8 |
0.167 |
0.179 |
7/8 |
1/2 |
11/64 |
|
6 |
10 |
0.193 |
0.205 |
7/8 |
1/2 |
11/64 |
|
7 |
1/4 |
0.258 |
0.285 |
7/8 |
1/2 |
11/64 |
|
1American Wire Gauge.
REQUIREMENTS:
1. Material: Phosphor bronze strip alloy C50500 (1.3 percent tin), in accordance with ASTM B 508 (DoD adopted) having a minimum temper of H02. As an alternative material, copper strip alloy C42500 in accordance with ASTM B 591 (DoD adopted) having a minimum temper of H02 may be used.
2. Finish: Tinned; electrodeposited over entire surface in accordance with ASTM B 545 (DoD adopted) and ASTM B 339 (DoD adopted). Minimum thickness 0.0005 inches.
NOTES:
1. Dimensions are in inches.
2. Unless otherwise specified, tolerance is ±0.015, angles ±2 degrees.
3. Remove all burrs.
4. Referenced documents of issue in effect on date of invitation for bids shall apply.
5. In the event of a conflict between the text of this document and the references cited herein, the text of this document shall take precedence.
6. The part or identifying number (PIN) consists of the letters MS, the specification sheet number, and a dash number taken from table I.
MS 77074 - 3
Dash number
Specification sheet number
MS prefix
2
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