MIL-DTL-25308C
4.2 Test conditions.
4.2.1 Standard atmospheric conditions. Wherever the pressure and temperature existing at the
time of the test are not specified definitely, the test shall be performed at standard atmospheric
pressure (approximately 29.92 in Hg) and at room temperature (approximately 25°C (77°F)).
When tests are made with conditions appreciably different from the above values, proper
alliances shall be made for the difference from the specified condition.
4.2.2 Attitude. Unless otherwise specified, the gage shall be tested with the mounting surface in
a vertical position and the gage face in the proper orientation.
4.2.3 Tapping or vibrating. Unless otherwise specified, the gage shall be lightly tapped or
vibrated before each reading.
4.3 First article testing.
4.3.1 Test samples. The test samples shall consist of 10 gages representative of the production
equipment. The samples shall be identified with the manufacturer's part number and such other
information as required by the qualifying activity. The following quantities of samples shall be
tested:
a.
Reliability test only 7 samples
b.
All tests except reliability 3 samples
4.3.2 Test report. The contractor shall submit a test report covering all testing. MIL-HDBK-
831 may be used for guidance.
4.3.3 Qualification tests. The qualification test shall consist of all the tests specified in 4.5.
4.4 Conformance tests. Conformance tests shall consist of:
a.
Individual tests.
b.
Sampling tests.
Individual tests. Each gage shall be subjected to the following tests as described under
4..4.1
4.5:
a.
Examination of product.
b.
Scale and friction error.
c.
Position error.
4.4.2 Sampling tests.
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