MIL-DTL-3883B
4.4.3 Group A inspection. Group A inspection shall include the visual and mechanical and electrical
inspections specified in table IV.
4.4.3.1 Visual and mechanical inspections. Visual and mechanical inspections, as specified in table IV,
shall be performed according to the sampling plan as specified in table V and may be performed in any
order.
4.4.3.2 Electrical inspections. Electrical inspections, as specified in table IV, shall be performed on
every length of cord in the inspection lot according to the sampling plan as specified in table V. The
electrical inspections shall be performed in the order shown in table IV.
4.4.4 Group B inspection. Group B inspection shall include the applicable inspections specified in
table IV. Unless otherwise specified (see 6.2), group B inspection shall be performed on sample units
that have been subjected to and have passed the group A inspection. Sampling for group B shall consist
of one sample per 5,000 feet of cord, or fraction thereof, not to exceed a total of five samples per order.
4.4.5 Rejected lot. Failure of any sample to pass any inspection shall constitute a failure of the lot. If
an inspection lot is rejected, the contractor may rework the lot to correct the defects or screen out the
defective units, and resubmit the lot for re-inspection. Such lots shall be separated from new lots and
shall be identified as re-inspected lots (see 4.4.6).
4.4.6 Noncompliance. If a sample fails to pass any inspection, the contractor shall notify the cognizant
inspection activity of such failure and take corrective action on the materials or processes or both, as
warranted on all units of the product. Acceptance and shipment of the product shall be discontinued until
corrective action has been taken. After the corrective action has been taken, the conformance inspection
shall be repeated on replacement articles. (This includes all tests and examinations, or only the test that
the original sample failed, at the option of the cognizant inspection activity.) Final acceptance and
shipment shall be withheld until inspection has shown that the corrective action was successful. In the
event of failure after re-inspection, information concerning the failure shall be provided to the cognizant
inspection activity.
4.5 Methods of inspection.
4.5.1 Visual and dimensional examination. The specimens of finished cords selected for the group A,
subgroup I inspection (see 4.4.3.1) shall be examined for conformity to those parts of requirements 3.3 to
3.4.8 inclusive, 3.6.2, 3.6.3, and 3.6.4 which can be determined by visual and dimensional examination.
Conformity to the shield coverage requirement (see 3.4.6) shall be determined as specified in FED-STD-
228, method 8121.
4.5.2 Electrical tests.
4.5.2.1 Dielectric withstanding voltage (see 3.5.1). The finished cord shall be tested as specified in
FED-STD-228, method 6111, except for the following:
a. The test shall be performed on finished cord only.
b. The immersion period shall be not less than 9 hours.
c.
One terminal shall be each conductor in turn, and the other terminal shall be all the remaining
conductors tied together in electrical contact with the shield and the water.
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