MS27071D
REQUIREMENTS
Dimensions and configuration see figure 1
Union nipple illustration see figure 1 and table I.
Intended use. This part is a component of MS27062 through MS27068, MS27387 through MS27391, MS27394 and MS27395. 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. Materials and material codes.
Material code |
Material |
C |
Corrosion-resistant steel (CRES), class 304, condition A, in accordance with SAE-AMS-QQ-S-763 or 304 in accordance with SAE-AMS5639. |
D |
Aluminum alloy, 2024 in accordance with SAE-AMS-QQ-A-225/6, temper T6 or T851. |
Finish. Corrosion-resistant steel, passivate in accordance with SAE AMS2700, method 1, type 6 or 7. Dry-film lubricant area Y, see figure 1 and table II.
Aluminum alloy. Anodize in accordance with MIL-A-8625, type II. For union used on flared and flanged nipple assemblies, dye blue. Dye yellow on flareless assemblies.
NOTE: Avoid using graphite dry film lubes with aluminum unions because in a wet environment, graphite becomes corrosive to the aluminum.
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