MIL-DTL-83502E
4.7 Conformance inspection.
4.7.1 Acceptance inspection. Acceptance inspection shall consist of group A inspections.
4.7.1.1 Inspection lot. An inspection lot shall consist of all sockets produced under essentially the same
conditions, and offered for inspection at one time.
4.7.1.2 Group A inspection. Group A inspection shall consist of the inspections specified in table III, on
the same set of sample units in the order shown.
TABLE III. Group A inspection.
Requirement
Method
Inspection
paragraph
paragraph
Mating force
Contact withdrawal force
4.7.1.2.1 Sampling plan (group A). The tests in table III shall be performed on a production run basis.
Samples shall be selected as specified in 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 as
specified in table IV and all group A tests again performed. If one or more defects are found in the second
sample, the lot shall be rejected and shall not be supplied to this specification.
TABLE IV. Lot and sample size.
Lot size
Sample size
2 to 5
100 percent
6 to 50
5
7
51 to 90
11
91 to 150
13
151 to 280
16
281 to 500
19
501 to 1200
23
1201 to 3200
29
3201 to 10000
35
10001 and over
4.7.1.2.2 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 reinspection. Resubmitted lots shall be
inspected using the next higher lot size specified in table IV and shall not thereafter be tendered for
acceptance unless the former rejection or requirement of correction is disclosed. Such lots shall be
separate from new lots and shall be clearly identified as reinspected lots.
4.7.1.2.3 Disposition of conformance sample units. Sample units which have passed all the group A
inspections may be delivered on the contract if the lot is accepted and the sample units are still within the
specification tolerances.
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