MIL-DTL-23806B
TABLE V. Group C inspection.
Examination or test
Requirement
Test
paragraph
paragraph
Bending
Temperature cycling
4.4.1.4.2 Sampling plan. Group C inspection shall be performed on the first order of each cable type.
Sample units shall be selected from each 6-months' production of cable covered by a single specification
sheet, as specified in table III, except that the number of sample units shall be not more than two times the
number of reels in the inspection lot. No more than two sample units shall be selected from each reel of
cable.
When two sample units are required from one reel, they shall be cut from each end of the reel. The
sample units shall be selected from different production runs throughout the 6-month period. Where the
total production run is less than 20,000 feet, group C tests need not be made until total production is
20,000 feet or greater. No failures shall be permitted for group C inspection.
4.4.1.4.3 Sample unit. A sample unit is a piece of cable cut from the reel of cable of the length specified
for the applicable test method.
4.4.1.4.4 Defective unit. A defective unit is any sample unit failing any test or inspection as specified in
table V. The reel of cable from which the sample unit was taken will be considered defective.
4.4.1.4.5 Disposition of sample units. Sample units which have been subjected to group C inspection
shall not be delivered on the contract or purchase order. The reel from which the sample unit was taken
may be shipped, if the sample unit was not defective, and the lot was accepted.
4.4.1.4.6 Noncompliance. If a sample fails to pass group C inspection, the supplier shall 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, processes, etc., and which
are considered subject to the same failure. Acceptance of the product shall be discontinued until
corrective action has been taken. Group C inspection shall be repeated on additional sample units (all
inspections, or the inspection which the original sample failed, at the option of the Government). Group A
and B inspections may be re-instituted; however, final acceptance shall be withheld until the group C re-
inspection has shown that the corrective action as successful. In the event of failure after re-inspection,
information concerning the failure and corrective action taken shall be furnished to the contracting officer.
4.5 Methods of examination and test.
4.5.1 Visual and mechanical examination. The cable shall be examined to verify that the design,
construction, physical dimensions, marking, and workmanship are in accordance with the applicable
requirements on a 3-foot specimen cut from the end of the cable. (see 3.1, 3.6 and 3.7). A micrometer
caliper or an instrument of equal accuracy shall be used to determine the proper dimensions. 1/
1/ A marking discrepancy shall be considered as a failure if the marking is illegible initially or becomes
illegible as a result of subjection to the temperature cycling test.
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