MIL-DTL-22641F
4.5.1.2 Group A inspection. Group A inspection shall consist of visual and mechanical examination (see 4.6.1).
4.5.1.2.1 Sampling plan. This specification utilizes an accept on zero defect (c = 0) sampling plan. Statistical
sampling and inspection shall be performed on an inspection lot basis with a random sample of adapters selected in
accordance with table II. No failures shall be permitted.
TABLE II. Group A sampling plan.
Lot size
Sample size
1 - 13
100 percent
14-150
13
151-280
20
281-500
29
501-1200
34
1201-3200
42
3201-10,000
50
10,001-35,000
60
35,001-150,000
74
150,001-500,000
90
500,001 and over
102
4.5.1.2.2 Rejected lots. If an inspection lot is rejected, the supplier may rework it to correct the defects, or to
screen out the defective units, and to resubmit for re-inspection. Resubmitted lots shall be separate from new lots
and shall be clearly identified as re-inspected lots.
4.5.1.3 Group B inspection. Group B inspection shall consist of the tests specified in table III.
4.5.1.3.1 Sampling plan. This specification utilizes an accept on zero defect (c=0) sampling plan. Statistical
sampling and inspection shall be performed on an inspection lot basis with a random sample of adapters selected in
accordance with table II. No failures shall be permitted.
TABLE III. Group B inspection.
Test
Requirement paragraph
Method paragraph
VSWR
RF insertion loss (when specified)
Pressurization
Gauge (as applicable)
4.5.1.3.2 Rejected lots. If an inspection lot is rejected, the supplier may rework it to correct the defects, or to
screen out the defective units, and to resubmit for re-inspection. Resubmitted lots shall be separate from new lots,
and shall be clearly identified as re-inspected lots.
4.5.1.3.3 Disposition of sample units. Sample units which have passed all the group B inspection may be
delivered on the contract or purchase order, if the lot is accepted and the sample units are still within specified
electrical tolerances.
4.6 Methods of examination and test.
4.6.1 Visual and mechanical examination. Adapters shall be examined to verify that the materials, design,
construction, physical dimensions, workmanship and marking are in accordance with the applicable requirements
4.6.2 Voltage standing wave ratio (VSWR) (see 3.4). VSWR shall be measured over the specified frequency band
(see 3.1), using the waveguide as the input end. The VSWR shall again be measured over the specified frequency
band (see 3.1), using the series N or coaxial connection (as applicable) as the input end.
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