MIL-DTL-49104C
4.4.2 Unit of product. The unit of product for determining lot size for sampling shall be the quantity of
cable offered for inspection on one coil, one reel, or one spool, as applicable.
4.4.3 Component inspection. The components of the cable listed in table III shall be inspected using
the applicable documents (see 4.5.1) for each lot.
4.4.4 Group A inspection. Group A inspection shall consist of the inspections specified in table I and
shall be performed on each lot of cable acquired under the specification. Group A inspections may be
performed at an appropriate stage of the manufacturing operation rather than on the finished cable.
4.4.5 Group B inspection. Group B inspection shall consist of the inspections specified in table II.
Group B inspection shall be performed on sample units that have been subjected to and have passed the
group A inspection. Group B inspection shall be performed in any order on randomly selected samples
from an inspection lot.
4.4.5.1 Sampling. A random sample shall first be selected from each lot. The sample size shall be
based on the inspection lot size from which the sample was selected for group A inspection. Sampling for
inspection shall be specified in table IV.
4.4.5.2 Specimen lengths. The specimen shall be of the length specified in the applicable test
method.
TABLE III. Visual and dimensional examination.
Examination
Requirements
Verification
Construction:
Conductors
Stranding
FED-STD-228, method 1531
1/ 2/
FED-STD-228, method 1018
Insulation thickness
Finished cable characteristics
1/ An average diameter shall be the average of the readings obtained by making two
measurements at right angles to each other at three different points along the length of a 12
inch (304.80 mm) specimen.
2/ The average wall thickness shall be considered equal to one-half the difference between the
average diameter of the insulated conductor and the non-insulated conductor for the same
specimen.
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