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Quality conformance inspection of pack. |
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|  MIL-W-52125B
breakage, or permanent deformation shall constitute failure of this test. Operate brakes;
nonconformance to 3.17.1.4 shall constitute failure of this test.
4.7 Inspection comparison. The Government may select units at any time during the
contract production period and subject these units to the examination specified in 4.6.1 and the
tests specified in 4.6.2 through 4.6.2.6 to determine that the quality of the selected unit is equal to
the quality standards established during initial production inspection. The inspection will be
performed by the Government at a site selected by the Government. Units will be selected at
random from those which have been accepted by the Government and will not include the
previously inspected preproduction model and initial production units.
4.7.1 Inspection failure. Failure of any unit when inspected as specified in 4.7 may be
considered cause for refusal by the Government to continue acceptance of units until objective
evidence furnished by the supplier reveals that corrective action has been taken to eliminate the
condition which caused the rejection.
4.8 Inspection of preparation for delivery.
4.8.1 Preproduction pack inspection.
4.8.1.1 Examination. Examine the preproduction pack for the defects specified in 4.8.2.3.
Presence of one or more defects shall be cause for rejection.
4.8.1.2 Tests. The preproduction pack of crated components for level A shall be subjected to
the railroad-car test as specified for guided-impact tests in accordance with MIL-STD-1186,
appendix A. The car shall strike a string of five empty cars with draft gear extended and the
brakes set, at a speed of not less than 10 miles or more than 11 miles per hour. At the conclusion
of the preproduction pack test, the pack shall be examined. Any shifting of contents, loosening
or breaking of holddowns, ties, stays, blocking or bracing, or any visual damage to the
components shall constitute failure of the preproduction pack and shall be cause for rejection.
4.8.2 Quality conformance inspection of pack.
4.8.2.1 Unit of product. For the purpose of inspection, a completed pack prepared for
shipment shall be considered a unit of product.
4.8.2.2 Sampling. Sampling for examination shall be in accordance with MIL-STD-105,
inspection level S-2.
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