MS20762B
REQUIREMENTS:
0esign and construction:
0imensions and configuration: See figure 1 and table I.
0imensioning and tolerancing are in accordance with ASME Y14.5. For nominal use on fuel and oil systems.
Materials. Materials and designators shall be in accordance with SAE AS4875. Material and size designators shall be in accordance with table II.
TABLE II. Material and size designators. 11
Size number |
Size number with letter material designator |
|||||
Steel (Blank) |
Aluminum Alloy 21 |
Aluminum alloy |
GRES 31 |
Titanium 41 |
||
12 |
-12 |
-012 |
-W12 |
-R12 |
-T12 |
|
12-16 |
-12-16 |
-012-16 |
-W12-16 |
-R12-16 |
-T12-16 |
|
16 |
-16 |
-016 |
-W16 |
-R16 |
-T16 |
|
20 |
-20 |
-020 |
-W20 |
-R20 |
-T20 |
|
20-24 |
-20-24 |
-020-24 |
-W20-24 |
-R20-24 |
-T20-24 |
|
24 |
-24 |
-024 |
-W24 |
-R24 |
-T24 |
|
32 |
-32 |
-032 |
-W32 |
-R32 |
-T32 |
|
40 |
-40 |
-040 |
-W40 |
-R40 |
-T40 |
|
48 |
-48 |
-048 |
-W48 |
-R48 |
-T48 |
|
11 Material designators blank1none' "0"'"W"' "J"' "R"' and "T" are in accordance with SAE AS4875.
21 Inactive material code: PINs with material code letter 0 are inactive for new design use W.
31 Gorrosion resistant steel (GRES).
41 Titanium shall not be used in oxygen systems.
Finishes. Finishes for the elbow shall be in accordance with SAE AS4875. Finish designators shall be as specified in table III.
3
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