MIL-DTL-28830E
4.6.1.1 Inspection lot. An inspection lot shall consist of all cable covered by a single specification
sheet, produced under essentially the same conditions, and offered for inspection at one time.
4.6.1.2 Group A inspection. Group A inspection shall consist of the inspections specified in table V,
in the order shown.
TABLE V. Group A inspection.
Inspection
Requirement
Test
Sampling plan
paragraph
paragraph
Subgroup I
Visual and mechanical
See 4.6.1.2.1
inspection
Subgroup II
Continuity
100% of reels shall be
Dielectric withstanding
inspected
voltage
Spark test (jacketed
cable only)
Insulation resistance
Leak test (type I)
4.6.1.2.1 Group A sampling plan. Sampling and inspection for subgroup I shall be in accordance
with table VI except that the number of sample units shall not be more than two times the number of
reels in the inspection lot. No more than two sample units shall be selected from each reel of cable.
When two sample units are required from one reel, they shall be cut from each end of the reel. For
subgroup II, each reel in the inspection lot shall be tested. If one or more defects are found, the lot
shall be screened for that particular defect(s) and the defect(s) removed. A new sample shall be
selected in accordance with table VI 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.
4.6.1.2.2 Sample unit. For subgroup I, a sample unit is a piece of cable three feet in length and cut
from the reel of cable. For subgroup II, the complete length of cable on each reel shall be tested.
TABLE VI. Sampling plan for Group A inspection.
Inspection lot size
Metric equivalents for cable
Number of sample
cable length (in feet)
length (in meters)
units for group A
0 to
5,000
0 to
1,524
1
5,001 to
15,000
1,524.30 to
4,572
5
15,001 to
25,000
4,572.30 to
7,620
8
25,001 to
65,000
7,620.30 to 19,812
13
65,001 to 160,000
19,812.30 to 48,768
20
160,001 to 440,000
48,768.30 to 134,112
32
440,001 to 2,200,000
134,112.30 to 670,560
50
2,200,001
and over
670,560.30
and over
80
9
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