MIL-DTL-25971C
3.13 Cleaning. The light assembly shall be thoroughly cleaned and loose, spattered, or
excess solder, metal chips, and other foreign material removed during and after final assembly.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 First article inspection.
4.2.1 First article sample. One sample unit shall be fabricated using the same
components, materials, and production processes as will be used in normal production.
4.2.2 Tests. First article inspection shall consist of all the examination and tests
specified in 4.4.
4.2.3 First article test report. After the contractor completes the first article inspection,
he shall prepare a first article test report and furnish a copy of the report to the government
procuring activity. The contractor may refer to the guidelines outlined in MIL-HDBK-831 for
preparing the report.
4.3 Conformance inspection. Conformance inspection shall consist of individual and
sampling tests.
4.3.1 Individual tests. Each light shall be subjected to examination of product,
operation, sights, focus, and transformer individual tests.
4.3.2 Sampling tests.
4.3.2.1 Lot. The lot definition, formation, and size shall be in accordance with
MIL-STD-1916.
4.3.2.2 Sampling plan. One light shall be selected at random from each lot of 100 or
fraction thereof produced and subjected to the photometric test (4.4.5). The transformer
component shall be subjected to the transformer temperature rise test (4.4.7).
4.4 Inspection methods.
4.4.1 Examination of product. The light shall be inspected to determine compliance with
the requirements specified herein with respect to material, workmanship, and marking.
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