MS270750
Size and material code |
T (see notes 3 and 4) |
v ±.02 |
||
CRES |
AL |
Thread |
Pitch diameter |
|
-3C/-4C |
--- |
.5000 - 28 UNEF - 3A |
.4768/.4740 |
.56 |
-4C |
--- |
|||
-5C |
--- |
.5625 - 24 UNEF -3A |
.5354/.5325 |
.62 |
-6C |
--- |
.6250 - 24 UNEF -3A |
.5979/.5949 |
.69 |
-8C |
-80 |
.7500 - 24 UNS -3A |
.7229/.7198 |
.88 |
-10C |
-100 |
.8750 - 20 UNEF -3A |
.8425/.8392 |
1.00 |
-12C |
-120 |
1.0000 - 20 UNEF -3A |
.9675/.9641 |
1.25 |
-16C |
-160 |
1.3750 - 18 UNEF - 3A |
1.3389/1.3353 |
1.50 |
-20C |
-200 |
1.6875 - 18 UNEF - 3A |
1.6514/1.6476 |
1.81 |
-24C |
-240 |
1.9375 - 16 UN - 3A |
1.8969/1.8929 |
2.12 |
NOTES:
1. Any design to the left of plane B-B is acceptable provided A dimension and the requirements of this specification sheet and the procurement specification are met.
2. All diameters within B dimension shall be concentric within .005 full indicator movement.
3. Thread gauge must enter thread relief (-10 through -24 sizes only).
4. Threads shall be in accordance with MIL-S-7742. Threads shall be rolled on corrosion- resistant steel only.
5. Unless otherwise specified, break or radius all corners .005, +.005, -.000. All diameters must be concentric within .010 full indicator movement.
6. Surface roughness. Unless otherwise specified, maximum surface roughness shall not exceed
125 µin. Ra in accordance with ASME B46.1.
7. Remove all burrs and slivers.
FIGURE 1. Nipple illustration - Continued.
REQUIREMENTS
Nipple illustration, see figure 1.
Intended use. This part is a component of MS27061. This is a design standard for manufacturing purposes. The item is only procured as an integral part of adapter assemblies.
Materials. Material and material codes, see table I.
TABLE I. Material codes.
Material code |
Material |
C |
CRES, class 304, condition A, in accordance with SAE-AMS-QQ-S-763. 304 or 321 cold drawn or cold rolled, in accordance with SAE-AMS5639 or SAE-AMS5645. |
0 |
Aluminum alloy, 6061-T6 or T651, in accordance with SAE-AMS4117 or alloy 7075-T73, 7075-T7351 in accordance with SAE-AMS-QQ-A-225/9 or alloy 7055-T7351 in accordance with SAE-AMS4124. |
4
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