MIL-DTL-8777F
TABLE IV. Inspection sample.
Inspection lot size
Sample size
1/
1
1
2 to 8
2
9 to 90
3
91 to 150
12
151 to 300
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1/ Lot size is based on the number of units of product
(reels, spools, or coils) (see 4.4.2.1 and 4.4.2.2).
4.4.2 Interpretation of terms. Terms and definitions used for sampling and inspections herein shall be
as specified in the following:
4.4.2.1 Inspection lot. An inspection lot shall consist of all wire of the same PIN, produced under
essentially the same conditions on the same machine that is presented for inspection and shipment at
one time. For this specification, an inspection lot shall not exceed 1,000,000 feet, or 1 week's production,
whichever is less. The inspection lot shall be expressed in units of thousands of feet (total footage in
inspection lot divided by 1,000).
4.4.2.2 Unit of product. The unit of product for determining lot size under this specification shall be the
quantity of continuous length of wire on one coil, reel, or spool, as applicable.
4.4.2.3 Sample. A sample shall consist of a group of individual lengths of wire chosen at random from
the inspection lot.
4.4.2.4 Sample unit. A sample unit shall consist of one of the individual lengths of the sample. Each
sample unit shall be of sufficient length to permit all applicable inspections and tests. Not more than one
sample unit shall be taken from a single unit of product.
4.4.2.5 Specimen. A specimen is a portion of finished wire taken from the sample unit for the
performance of a particular inspection or test.
4.4.3 Specimen length. Each specimen for inspection shall be of the length specified in the applicable
test method.
4.4.4 Rejected lots. Failure of any sample to pass conformance inspections 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.
4.4.5 Noncompliance. If a sample fails to pass conformance inspections, the contractor should notify
the cognizant inspection activity of such failure and take corrective action on the materials, processes, or
both, as warranted, on all units of the product. Acceptance and shipment of the product will be
discontinued until corrective action acceptable to the inspection activity has been taken. After the
corrective action has been taken, the conformance inspection shall be repeated on replacement articles.
(This includes all test and examinations, or only the test that the original sample failed, at the option of the
inspection activity.) Final acceptance and shipment will be withheld until the conformance inspection has
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