MIL-DTL-25708F
4.4 Conformance inspection.
4.4.1 Inspection of product for delivery. Inspection of product for delivery shall consist of group A inspection
(see 4.4.1.2).
4.4.1.1 Inspection lot. An inspection lot shall consist of all antennas of a particular style (see 3.1) from a
production line or lines, produced essentially under the same conditions and offered for inspection during a single
work month.
4.4.1.2 Group A inspection. Group A inspection shall consist of the examinations, and tests specified in table II, in
the order shown.
TABLE II. Group A inspection.
Inspection
Requirement
Test method
paragraph
paragraph
Visual and mechanical inspection examination - - - - - -
3.10, and 3.11
Antenna impedance- - - - - - - - - - - - - - - - - - - - - - - - - -
Sampling probe impedance - - - - - - - - - - - - - - - - - - - -
Sampling probe attenuation - - - - - - - - - - - - - - - - - - - -
VSWR - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4.4.1.2.1 Sampling plan. Statistical sampling and inspection shall be performed on an inspection lot basis with a
random sample of units selected in accordance with table III. The acceptance levels shall be based upon the zero
defective sampling plan. No failures shall be permitted.
TABLE III. Group A sampling plan.
Lot size
Sample size
100 percent
1 - 13
13
14 - 150
20
151 - 280
29
281 - 500
34
501 - 1,200
42
1,201 - 3,200
50
3,201 - 10,000
60
10,001 - 35,000
74
35,001 - 150,000
90
150,001 - 500,000
102
500,001 and over
4.4.2 Periodic inspection. Periodic inspection shall consist of group B. Except where the results of these
inspections show noncompliance with the applicable requirements (see 4.4.2.1.2), delivery of products which have
passed group A shall not be delayed pending the results of these periodic inspections.
4.4.2.1 Group B inspection. For individual acquisitions involving small quantities of antennas in a short period of
time, conduct of group B testing shall be at the option of the procuring activity (see 6.4) and of the acquisition contract
(see 6.2). Group B inspection shall consist of the tests specified in table IV, in the order shown. Group B inspection
shall be made on six sample units which have been subjected to and have passed group A inspection.
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