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|  MIL-T-82570A(OS)
4.4.5.23.6 Observation for damage. At the completion of the firing tests
there shall be no damage to the barrel assemblies.
4.4.5.24 Packaging, packing, and marking.
The packaging, packing, and
marking of the torpedo tube assembly shall be examined to ensure that it
complies fully with the requirements of Section 5.
4.5 Preproduction and periodic production tests. Each preproduction and
periodic production sample, after satisfactorily passing the quality con-
formance tests and examinations (4.4), shall be subjected to the following
environmental tests. Unless otherwise specified, the sample shall be deemed
defective if it fails to satisfactorily pass the quality conformance tests
and examinations subsequent to these environmental tests.
4.5.1 Vibration tests.
4.5.1.1 Vibration, nonoperation. The torpedo tube, secured to the mount-
ing bracket of the testing machine in the same manner that it will be secured
on shipboard, shall be subjected to the exploratory vibration test, variable
frequency test, and endurance test as specified in MIL-STD-167 for Type I
vibrations.
4.5.l.2 Vibration, standby condition. A dummy Mk 44 Mod 1 Torpedo shall
be loaded in either of the two lower barrels of the torpedo tube and dummy
Mk 46 Mod 1 Torpedoes shall be loaded in the remaining barrels. All three
breech assemblies shall be pressurized to 1500 psig. The torpedo tube, loaded
as specified and secured to the mounting bracket of the testing machine in
the same manner that it will be secured on shipboard, shall be subjected to
the exploratory vibration test, variable frequency test, and endurance test
as specified in MIL-STD-167 for Type I vibrations.
4.5.2 Shock tests
4.5.2.1 Shock, nonoperating, The torpedo tube assembly shall be attached
to the anvil table of the shock testing machine by means of a standard mount-
ing platform and a 30 degree mounting fixture as specified in MIL-S-901 for
medium-weight conditon. The torpedo tube shall be oriented on the 30 degree
mounting fixture such that the barrel Centerlines are parallel to the horizontal
plane. In each mounting condition the torpedo tube shall be subjected to Type
A shock tests as specified in MIL-S-901 for medium-weight equipment.
4.5.2.2 Shock, loaded condition. The torpedo tube assembly shall be attached
to the anvil table of the shock testing machine by means of a standard mount-
ing platform and a 30 degree mounting fixture as specified in MIL-S-901 for
medium-weight equipment. A dummy Mk 44 Mod 1 Torpedo shall be loaded in either
of the two lower barrels of the torpedo tube and dummy Mk 46 Mod 1 Torpedoes
shall be loaded in the remaining barrels. The Torpedo tube shall be oriented
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