MIL-DTL-55074G
4.6.2.2.2 Failures. If one or more sample units fail to pass group D inspection, the sample shall be
considered to have failed.
4.6.2.2.3 Disposition of sample units. Sample units which have been subjected to group D inspection
shall not be delivered on the contract.
4.6.2.2.4 Noncompliance. If a sample fails to pass group D inspection, the manufacturer shall notify the
qualifying activity and the cognizant inspection activity of such failure and take corrective action on the
materials or processes, or both, as warranted, and on all units of product which can be corrected and
which were manufactured under essentially the same materials and processes, and which are considered
subject to the same failure. Acceptance and shipment of the product shall be discontinued until corrective
action, acceptable to the qualifying activity has been taken. After the corrective action has been taken,
group D inspection £hall be repeated on additional sample units (all inspection, or the inspection which
the original sample failed, at the option of the qualifying activity). Groups A and B inspections may be
reinstituted; however, final acceptance and shipment shall be withheld until group D inspection has shown
that the corrective action was successful. In the event of failure after reinspection, information' concerning
the failure shall be furnished to the cognizant inspection activity and the qualifying activity.
4.6.3 Packaging inspection. The sampling and the inspection of the preservation packaging, packing and
container marking shall be in accordance with the requirements of MIL-DTL-55330.
4.7 Method of examination and test.
4.7.1 Visual and mechanical. The sample shall be examined to verify that the design, construction,
physical characteristics and dimensions, marking, and workmanship are in accordance with the
4.7.2 Test conditions.
4.7.2.1 Automatic testing. The inspection for continuity 4.7.3, dielectric strength 4.7.4, and insulation
resistance 4.7.5 shall be performed on all equipments by automatic means using electrical fixtures
specified on GL-SC-B-323236. Automatic equipment other than that referenced on GL-SC-B-323236
shall have prior Government approval. The automatic test equipment as specified is programmed to test
each terminal in turn with the remaining terminals connected together to ground for dielectric strength and
insulation resistance simultaneously. The automatic test equipment is also programmed to test for
continuity sequentially terminals 1A through 26A, 1B through 26B with the readout on the tester showing
1 through 52.
4.7.2.2 Pre-conditioning. The contractor shall be permitted to precondition the equipments prior to
performing any electrical tests except the electrical tests performed after the immersion test 4.7.8 and
preconditioning shall consist of removing surface moisture from the equipment by wiping, drying, blowing,
or heating. The application of heat shall be limited to 3 minutes. For those equipments subjected to
and without protective covers, a 24 hour waiting period in an ambient room temperature is permitted.
However, if the contractor exercises this option of preconditioning, the contractor shall precondition all
samples selected by quality assurance representatives immediately prior to testing.
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