MIL-DTL-13625F
4.3.3 Testing.
4.3.3.1 Conformance inspection. Samples selected in accordance with 4.3.1.2 shall be subjected to
the tests specified in table IV.
TABLE IV. Order of conformance inspection.
Paragraph number
Test sequence
Terminal strength
Operating force
4.4 Control test.
4.4.1 Sampling for control tests. The control test sample shall be identified as to production period and
after having been examined for the defects specified in 4.4.2, they shall be subjected to the tests
specified in table V in the order listed.
TABLE V. Order of control testing.
Sample no.
Paragraph no.
Test sequence
Operating force
Contact voltage drop
All
Electrical overload
Waterproofness
Contact voltage drop
4.4.2 Failure. Failure of any control test sample to pass any examination or test specified herein may
be cause, at the option of the Government, for refusal to accept subsequent lots until the faults revealed
by the test have been corrected.
4.5 Test procedures.
4.5.1 General.
4.5.1.1 Conditions. Tests shall be conducted under general laboratory conditions acceptable to the
Government. Unless otherwise specified in the individual test procedures, switches shall be temperature
stabilized at 77F 15F and tests shall be conducted at an ambient of 77F 15F. However, soaking
need not be repeated where tests are continuous at that temperature.
4.5.1.2 Apparatus. In addition to standard measuring equipment (see table VI and applicable test
specifications), test apparatus shall include a testing chamber capable of maintaining specified air
temperatures over the range from -65F to +165F. Air movement in the high temperature chamber shall
be held to a minimum to prevent a temperature gradient within the chamber and any cooling resulting
from excess air motion. There shall also be a submersion tank capable of producing and maintaining a
pressure of 6 pounds per square inch (psi) and vacuum of 6 psi.
4.5.1.3 2 Test equipment and inspection facilities. Test and measuring equipment and inspection
facilities of sufficient accuracy, quality, and quantity to permit performance of the required inspection shall
be established and maintained by the contractor. The establishment and maintenance of a calibration
system to control the accuracy of the measuring and test equipment shall be in accordance with
ANSI/NCSL Z540-1, ISO 10012-1 or approved equivalent.
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