MIL-DTL-83503C
4.3.6 Verification testing. Tests and test methods identified in this specification assure connector
integrity within typical operating conditions and applications. Alternate commercial industry standard test
methods are allowed, however when an alternate method is used, the alternate method must be
coordinated with the qualifying activity prior to performance of the test. The tests methods describe herein
are proven methods and shall be the referee method in cases of dispute.
4.4 Conformance inspection.
4.4.1 Inspection of product for delivery. Inspection of product for delivery shall consist of group A
inspection. Except as specified in 4.4.1.2.1, delivery of products which have passed the group A
inspection shall not be delayed pending the results of group B inspection.
4.4.1.1 Inspection lot. An inspection lot shall consist of all the mating plugs and receptacles as
indicated in each specification sheet, produced under essentially the same conditions and offered for
inspection at one time. When only the plug or receptacle is specified in the contract, the manufacturer
shall supply the mating receptacle or plug for inspection purposes.
4.4.1.2 Group A inspection. Group A inspection shall consist of the examinations and tests specified in
table III, and shall be made on the same set of sample units in the order shown. The sample units may be
wired or unwired at the option of the contractor. If unwired samples are submitted, the test apparatus shall
meet prior Government approval.
4.4.1.2.1 Sampling plan (group A). Table III tests shall be performed on a lot-by-lot production run
basis. Samples shall be selected in accordance with table IV. If one or more defects are found the lot
shall be screened for that particular defect and defects removed. A new sample of parts shall be selected
in accordance with table IV and all group A tests shall be performed again. If one or more defects are
found in the second sample, the lot shall be rejected and shall not be supplied to this specification.
4.4.1.2.2 Rejected lots. If an inspection lot is rejected, the manufacturer may rework it to correct the
defects, or screen out the defective units, and resubmit for re-inspection. Resubmitted lots shall be
inspected using the sample size of the next higher lot size specified in table III. The lot(s) shall not be
tendered for acceptance until the reason for the failure and corrective action taken is submitted to the
inspection activity. Such lots shall be segregated from new lots and shall be clearly identified as re-
inspected lots.
4.4.1.2.3 Disposition of sample units. If the lot is accepted, unwired samples may be delivered on the
contract. The wired samples with removable contacts may be delivered on the contract provided the wired
contacts are replaced with new contacts.
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