MIL-DTL-24215D
4.6.1.2 Group A inspection. Group A inspection shall consist of the examinations and tests specified in
table III, in the order shown.
TABLE III. Group A inspection.
Examination or test
Requirement
Method
paragraph
paragraph
Visual and mechanical examination
Operating frequency range
Insertion loss
Voltage standing wave ratio
Dial calibration (when applicable)
Frequency sensitivity
Attenuation range
Backlash
Power capability
Life (rotational)
4.6.1.2.1 Group A sampling plan. Statistical sampling and inspection shall be performed on an
inspection lot basis with a random sample of components selected in accordance with table IV. The
acceptance levels shall be based upon the zero defective sampling plan. No failures shall be permitted.
TABLE IV. Group A sampling plan.
Lot size
Sample size
1-13
100 percent
14-150
13
151-280
20
281-500
29
501-1,200
34
1,201-3,200
42
3,201-10,000
50
4.6.1.2.2 Disposition of sample units. Sample units which have passed the group A inspection may be
delivered on the contract or order if the lot is acceptable.
4.6.1.2.3 Rejected lots. If an inspection lot is rejected, the supplier may withdraw the lot, and may then
rework it to correct the defects, or screen out the defective units, as applicable. Such lots shall be kept
separate from new lots and shall be clearly identified as reinspected lots. Resubmitted lots shall be
inspected 100 percent with zero occurrences of defects.
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