MS27067D
REQUIREMENTS
Elbow subassembly illustration, see figure 1.
Intended use. This part is a component of MS27059.
Materials. Material and material codes see table I. See applicable specification sheet and
MIL-DTL-27272 for material of other components identified in table II for their material requirements
TABLE I. Materials and material codes.
Material code |
Material |
Blank |
Combination of aluminum alloy and corrosion-resistant steel (CRES) |
C |
CRES |
Finishes. Finishes are performed at component level.
Corrosion-resistant steel, do not passivate.
Aluminum alloy. Anodize in accordance with MIL-A-8625, type II, dye blue.
TABLE II. Elbow subassembly composition.
Size and material designator |
Wire size and material code |
Union, nipple size and material code |
Elbow, nipple end size and material code |
A ±.020 |
B ±.020 |
MS27072 1/ |
MS27071 1/ |
MS27087 1/ |
|||
-3/-4C 2/ |
-4C |
-4C |
-3/-4C |
1.078 |
.283 |
-4C |
-4C |
1.117 |
.322 |
||
-5C |
-5C |
-5C |
-5C |
1.150 |
.340 |
-6C |
-6C |
-6C |
-6C |
1.224 |
.389 |
-8C |
-8C |
-8C |
-8C |
1.720 |
.465 |
-8 |
-8D 3/ |
1/ MS27071 and MS27087 shall be dry film lubricated in accordance with table III, dry film is applied in accordance with the individual MS sheets MS27071 or MS27087 as applicable.
2/ Swivel nut and sealing surface of this elbow subassembly shall mate with AS4395-3 fitting. The remaining portion of the subassembly shall mate with M27267-4 hose.
3/ Material code "D" aluminum alloy.
MS27071, MS27072, and MS27087 parts shall be coated with the same type of dry film lubricant as indicated in the PIN, no mixing of dry film lubricants shall be used on an assembly unless it is of the types specified by the "blank" designator.
NOTE: Avoid using graphite dry film lubes with aluminum nipples because in a wet environment, graphite becomes corrosive to the aluminum.
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