MIL-DTL-22263C
1/ NOTES:
1. Materials: 2024 T4 aluminum, CRES, or Ti
2. Dimensions shown are in inches, unless otherwise specified, tolerance:
o
Decimal + .005, angle + 0.5
3. Unless otherwise specified, break all sharp edges .003 - .015
4. Surface texture in accordance with ASME B46.1
TABLE IV. Tubing sizes and wall thickness.
Coupling
Wall thickness (min)
Tube O.D
sizes
AL
CRES
Ti
-12
0.75
.035
.020
.020
-16
1.00
.035
.020
.020
-20
1.25
.035
.025
.022
-24
1.50
.035
.025
.022
-28
1.75
.035
.035
.032
-32
2.00
.042
.035
.032
-40
2.50
.042
.035
.032
-48
3.00
.042
.035
.041
-56
3.50
.065
.049
.041
-64
4.00
.065
.049
.041
-72
4.50
.065
.049
.041
-80
5.00
.065
.049
.041
-88
5.50
.065
.049
.041
-96
6.00
.065
.049
.041
3.7.3 Leakage.
3.7.3.1 Vacuum leakage. The coupling assembly shall be subjected to the negative proof
pressure specified in 4.7.3.1. A decrease in pressure exceeding 0.5 Hg (0.25 psi) shall be cause
for rejection of the test sample.
3.7.3.2 Pneumatic leakage. The coupling shall be tested with pneumatic pressure equal
to proof pressure as specified in 4.7.3.2 for 3 minutes at room temperature. Any leakage or
evidence of leakage during the test shall be cause for rejection of the test sample.
9
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