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|  MIL-O-52374D
TABLE III. Test schedule.
Test
Requirement paragraph
Test paragraph
Burn-in
Normal operation
Rise time
Operational safety
Noise level
Stray field
Environmental temperature
Shock
Vibration
High voltage output socket
Mean time between failure
4.3 Conformance inspection.
4.3.1 Inspection lot. Unless otherwise specified in the contract or purchase order, for purposes of
inspection a lot shall be as defined in MIL-STD-1916.
4.3.2 Sampling. Samples shall be selected in accordance with MIL-STD-1916. Verification Level (VL)
shall be II (VL = II).
4.3.3 Examination. The oscillators shall be examined in accordance with table II. Presence of one or
more defects shall be cause for rejection.
4.3.4 Tests. Tests in table IV and table VI shall be conducted in the order listed. Tests in table V may
be conducted in any sequence.
4.3.4.1 Group "A" individual tests. Each oscillator shall be subjected to the tests in table IV. Failure of
any test shall be cause for rejection.
TABLE IV. Group "A" test schedule.
Test
Requirement paragraph
Test paragraph
Burn-in
Normal operation
4.3.4.2 Group "B" samples. Samples selected in accordance with 4.3.2 and which have passed the
tests specified in 4.3.4.1 shall be subjected to the tests in table V.
TABLE V. Group "B" test schedule.
Test
Requirement paragraph
Test paragraph
Rise time
Noise level
Stray field
Shock
Vibration
4.3.4.3 Group "C" special sampling. This inspection shall consist of the tests specified in table VI and
shall be performed on sample units that have been subjected to and passed the tests in 4.3.4.1.
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