MIL-PRF-28861D
TABLE VIII. Group B inspection.
Inspection
Class
Requirement
Test method
No. samples
Failures
required
permitted
paragraph
paragraph
Class
Class
B
S
B
S
B
S
Group I
AC voltage drop (when applicable)
X
X
Voltage and temperature limits
of capacitance
X
X
Insertion loss (at temperature)
X
X
Barometric pressure (reduced)
X
X
25
5
2
0
Temperature rise
X
X
Current overload
X
X
Terminal strength
X
X
Thermal shock and immersion
X
X
Destructive physical analysis
-
X
(2 samples only)
Group II
Subgroup 1
Life
X
X
10
22 1/
0
Subgroup 2
Resistance to soldering heat
X
X
Salt atmosphere (corrosion)
X
X
1
5
5
0
Radiographic inspection
X
X
Destructive physical analysis
-
X
(2 samples only)
Subgroup 3
Resistance to solvents
X
X
3
3
0
Group III
Shock (specified pulse)
X
X
Vibration (high frequency)
X
X
X
Random vibration
-
10
5
1
0
X
Moisture resistance
X
X
Seal (when applicable)
X
X
Radiographic inspection
X
X
Destructive physical analysis
-
(2 samples only)
1/ The number of samples submitted for the life test shall be 10 percent of the lot submitted for group A inspection
with the maximum number of samples being 22 filters and the minimum number of samples being five filters.
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