MIL-DTL-13241D
TABLE III. Inspection sample.
Inspection lot
Sample size
size 1/
1
1
2 to 8
2
9 to 90
3
91 to 150
12
151 to 280
19
281 to 500
21
501 to 1,200
27
1,201 to 3,200
36
3,201 to 10,000
38
10,001 to 35,000
46
1/ Lot size is based on the number of
units of product.
4.3.3 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 4.3.4).
4.3.4 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 product. Acceptance and shipment of the product shall be discontinued
until corrective action has been taken. After 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.
4.3.5 Group A inspection. This inspection, including sampling, shall consist of the examinations of
4.3.6 Group B inspection. This inspection, including sampling, shall consist of the inspections
4.4 Visual and dimensional inspection. Strands and completed wire shall be inspected to verify that
the materials and all workmanship comply with this specification.
4.4.1 Stranding. Specimens shall be inspected for compliance with the requirements of 3.4.
4.4.2 Pitch and lay. Specimens shall be inspected for compliance with the pitch and lay
4.5 Breaking strength and elongation test. Specimens shall be tested for compliance with the
requirements of 3.4.3 and 3.4.4 in a tensile testing machine equipped with suitable jaws or sockets. No
specimen shall have less than 10 inches of its length between the jaws or sockets. Elongation
measurement shall be made on the samples at the same time that the tensile strength test is being
performed. In making the elongation measurements, the length, when under a load equal to 10 percent
4
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