MIL-DTL-3976F
6.5 Subject term (key word) listing.
Blackout lights; for security
Horizontal and vertical illumination
Lights, clearance
Service lights; safe operations of Military Vehicles
Visibility
6.6 Inspection. The following information is presented for guidance in specifying sampling
and acceptance procedures for conformance inspection, control testing in the acquisition document.
6.6.1 Conformance inspection.
6.6.1.1 Sampling.
6.6.1.1.1 Lot formation. An inspection lot should consist of all the lights of one type and
part number, from an identifiable production period, from one manufacturer, submitted at one time
for acceptance.
6.6.1.1.2 Sampling for examination. Samples for conformance examination should be
selected in accordance with general inspection level II of ASQ Z1.4.
6.6.1.1.3 Sampling for test. Samples for tests should be selected in accordance with level
S-3 of ASQ Z1.4.
6.6.1.2 Examination.
6.6.1.2.1 Acceptable quality level. Each sample selected in accordance with 6.6.1.1.2
should be examined to determine conformance to the following acceptable quality level (AQL).
Classification
AQL
Major
1.0
Minor
2.5
6.6.1.3 Test. Samples selected in accordance with 6.6.1.1.3 should be subjected to the
quality conformance tests specified in table II, and should conform to an AQL of 6.5.
6.6.2 Control test. Control test should be conducted on samples selected at a rate of two (2)
lights per month or two of each 500 lights produced, whichever occurs first, except that not more
than four lights should be selected in any single month. The first sample should be taken at or near
the start of production. Samples should be subjected to the applicable tests specified in table II.
6.6.2.1 Failure. Failure of a control test sample to pass any of the specified examination or
test may be cause for the Government to refuse to accept subsequent lots until it has been proved to
the satisfaction of the Government that the faults revealed by the tests have been corrected.
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