MS27070E
Size and material code |
z ±.005 |
AA ±.005 |
AB ±.005 |
AC ±.005 |
AD ±.25° |
AE ±.005 |
AF +.005 -.000 |
-4C |
--- |
--- |
--- |
--- |
10° |
--- |
--- |
-5C |
--- |
--- |
--- |
--- |
--- |
--- |
|
-6C |
--- |
--- |
--- |
--- |
--- |
--- |
|
-8C |
--- |
--- |
--- |
--- |
--- |
--- |
|
-10C |
--- |
--- |
--- |
--- |
--- |
.005 |
|
-12C |
--- |
--- |
--- |
--- |
--- |
||
-16C |
--- |
--- |
--- |
--- |
--- |
||
-20C |
--- |
--- |
--- |
--- |
--- |
||
-24C |
.174 |
.298 |
1.658 |
1.690 |
--- |
.260 |
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Hardness shall be tested anywhere on the face that the arrow for "see note 3" is pointing to.
4. Surface must be free from longitudinal scratches, nicks, or tool marks.
5. Dimensions and tolerances. Dimensions are in inches. Unless otherwise specified, break or radius all corners .005, +.005, -.000. All diameters shall be concentric within .005 full indicator movement.
6. Remove all burrs and slivers.
7. Surface roughness. Unless otherwise specified, maximum surface roughness shall not exceed 125µ inch Ra in accordance with ASME B46.1.
FIGURE 1. Sleeve illustration - Continued.
REQUIREMENTS
Dimensions and configuration see figure 1.
Intended use. This part is a component of MS27053 through MS27060 and MS27381 through MS27385.
Material. Corrosion-resistant steel, 17-4PH in accordance with SAE-AMS5643. Heat treat to condition H-1150 with hardness of Rockwell C-28 to C-37 or condition H-1075 with hardness of Rockwell C-31 to C-38. Hardness to be tested on surface indicated when sleeve is heat treated in the final machined configuration, see figure 1.
Finish. Passivate in accordance with SAE-AMS2700 method 1, type 1 or 2. Do not dry-film lubricant sizes 4, -5, and -6. On other sizes, dry-film lubricate radius Y and angle U; dry-film lubrication on D diameter and F diameter is acceptable; dry-film lubrication on taper AD not acceptable; and dry film lubrication beyond AE dimension on size -24 is not acceptable. Dry- film lubricate, see table I.
NOTE: Avoid using graphite dry film lubes with aluminum sleeves because in a wet environment, graphite becomes corrosive to the aluminum.
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