MIL-DTL-55425D
4.3.1 Group A inspection. Each unit on contract shall be inspected for conformance to the inspections specified in
table I. Discrete lots shall be formed from units that pass this inspection. Factors of lot composition shall be defined
herein or in the contract.
4.3.1.1 Order of inspection within group A. Group A inspection shall be performed in an order satisfactory to the
Government.
4.3.1.2 Sampling plan. Samples shall be randomly selected in accordance with table II. If one or more defects are
found, the lot shall be rescreened and defects removed. After screening and removal of defects, a new sample shall
be randomly selected in accordance with table II. 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 I. Group A inspection.
Inspection
Requirem
Test method
Sampling procedure
ent
paragraph
paragraph
Visual and dimensional
See table II
Conductors
Stranding
Insulation
Configuration
Separation
4.8
Overall diameter
Finished cable
Code markers
4.8
Workmanship
Electrical
DC resistance
Dielectric strength,
cable
Insulation resistance
Mutual capacitance
TABLE II. Sample sizes for group A inspection.
Lot size
Sample size visual and
Sample size
dimensional
electrical
2 to 8
ALL
ALL
9 to 150
13
13
151 to 280
20
20
281 to 500
29
29
501 to 1,200
34
34
1,201 to 3,200
42
42
3,201 to 10,000
50
50
10001 to 35,000
60
60
35,001 to
74
74
150,000
150,001 to
90
90
500,000
500,001 and
102
102
over
4.3.2 Group B inspection. Group B inspection shall normally be performed in inspection lots that have passed
group A inspection and on samples selected from units that have been subjected to and met the group A inspection.
This specification shall conform to table III.
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