A-A-52554
3.5.4 Style D. the one-time-use internal expanded fittings shall have an internal expanded serrated tailpiece, suitably gripping and compressing the wall of the hose against an external ferrule. When expanded, these fittings shall have an inside diameter conforming to the normal inside diameter of the hose.
3.6 Hose assemblies. Hose assemblies shall be type I or type II hose with fittings securely attached to the hose to form a permanent electric bond. The hose assembly shall not leak.
3.7 Diameter and tolerances of hose.
|
Inside Diameter (inches) |
Outside Diameter (inches) |
|
0.5 ± 0.0625 |
1.064 ± 0.0625 |
|
0.75 ± 0.0625 |
1.375 ± 0.03125 |
|
1.00 ± 0.0625 |
1.625 ± 0.0625 |
|
1.25 ± 0.0625 |
1.875 ± 0.0625 |
|
1.50 ± 0.0625 |
2.125 ± 0.0625 |
|
2.00 ± 0.0625 |
2.656 ± 0.0625 |
|
2.50 ± 0.0625 |
3.187 ± 0.0625 |
|
3.00 ± 0.0625 |
3.75 ± 0.0625 |
|
4.00 ± 0.0625 |
4.75 ± 0.0625 |
|
6.00 ± 0.0625 |
6.875 ± 0.0625 |
|
|
- 0.0625 |
3.8 Test certification. Each length of the hose of each hose assembly shall be certified as passing the hydrostatic proof pressure test in table I and having a continuous electrical bond. Certification shall be provided to demonstrate that a representative sample of hose and hose assemblies comply with all remaining tests as specified in this CID.
3.9 Hydrostatic and burst pressure. When subjected to the appropriate proof pressure in table I, the hose or hose assemblies shall not leak nor show any imperfections in either the hose or fittings, and there shall be no indication of slippage or pullout of the fitting from the hose. When subjected to the appropriate burst pressure in table I, the hose or the hose assembly shall have no failure under the minimum burst pressure shown in table I. the length of the hose shall not change more than ±7 percent. The hose and hose assembly shall conform to the test pressure in table I.
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