MS20759C
Size code number |
T dia. min inch (mm) |
v min inch (mm) |
12 |
.609 (15.47) |
.065 (1.65) |
12-16 |
||
16 |
.859 (21.82) |
|
20 |
1.059 (26.90) |
.090 (2.29) |
20-24 |
||
24 |
1.309 (33.25) |
|
32 |
1.793 (45.54) |
.100 (2.54) |
40 |
2.293 (58.24) |
|
48 |
2.793 (70.94) |
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified tolerances are ±.005 inch (0.13 mm), angles ±.5°.
4. Break sharp edges .and remove all hanging burrs and slivers
5. Annular tool marks up to 63 µin (1.6 µm) Ra max will be allowed, machined surfaces shall be finished to 100µ-in (2.54 µm) Ra, unless otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1.
6. Internal flow passage around bend shall be smooth and free from projections.
7. Diameters A, D, and E shall be concentric with each other within .010 inch (0.25 mm) TIR.
8. Reduction by forging draft angle of 7° max permissible.
FIGURE 1. Hose to swivel flange dimensions and configurations - Continued.
REQUIREMENTS:
Dimensions and configuration shall be in accordance with figure 1.
For design features purposes, this standard takes precedence over documents referenced herein. Referenced documents shall be of the issue in effect on date of invitation for bid.
Porosity test: finished castings shall not leak when subjected to 100-psi (0.7 MPa) internal air pressure and submerged in water for 3 minutes minimum.
This part is designed for use in fuel and oil systems with maximum operating pressures in accordance with table I.
TABLE I. Maximum operating pressure.
Size code number |
Material |
PSI |
MPa |
12 thru 16 |
Aluminum alloy |
1500 |
10.3 |
24 thru 28 |
Aluminum alloy |
500 |
3.4 |
32 thru 48 |
Aluminum alloy |
500 |
3.4 |
Maximum operating temperature 275° F (135°C).
Materials and finishes shall be in accordance with table II.
3
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