MIL-PRF-87217A
and the "JAN" or the "J" from the sample tested and also from all items represented by the sample. The "JAN" or "J"
certification mark shall not be used on products acquired to contractor drawings or specifications. The United States
Government has obtained Certificate of Registration Number 504,860 for the certification mark "JAN" and
Registration Number 1,586,261 for the certification mark "J".
3.17 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally
preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the
operational and maintenance requirements, and promotes economically advantageous life cycle costs.
3.18 Workmanship. Capacitors shall be processed in such a manner as to be uniform in quality and shall be free
from pits, corrosion, cracks, rough edges, and other defects that will affect life, serviceability, or appearance.
4. VERIFICATION
4.1 Classification of inspections. The inspections specified herein are classified as follows:
a. Qualification inspection (see 4.4) via MIL-PRF-83421.
b. Verification of qualification (see 4.5).
c. Conformance inspection (see 4.6).
4.2 QPL system. The manufacturer shall establish and maintain a QPL system in accordance with 3.3. Evidence
of such compliance is a prerequisite for qualification and retention of qualification.
4.3 Inspection conditions and methods.
4.3.1 Test equipment and inspection facilities. The supplier shall establish and maintain a calibration system in
accordance with ANSI/NCSL Z540-1 or equivalent system.
4.3.2 Inspection conditions. Unless otherwise specified herein, all inspections shall be performed in accordance
with the test conditions specified in the "GENERAL REQUIREMENTS" of MIL-STD-202, except relative humidity
shall not exceed 75 percent. Unless otherwise specified (see 3.1), accuracy of all test voltage measurements shall
be within 2.0 percent of the specified voltage.
4.3.3 Reference measurements. When requirements are based on comparative measurements made before and
after conditioning, the reference measurement shall be considered the last measurement made at 25 C 3 C prior to
conditioning. Unless reference measurements have been made within 30 days prior to the beginning of
conditioning, they shall be repeated.
4.3.4 Power supply. The power supply used for life testing shall have a regulation of 2 percent or less of the
rated voltage. The power source employed for dc leakage current measurements shall be stabilized to at least 100
ppm. No voltage fluctuations shall occur during measurements that would produce a variation in the current
measurement as read with any acceptable dc leakage current tester used to test capacitors.
4.4 Qualification inspection. Qualification inspection shall be performed at a laboratory acceptable to the
Government (see 6.3) on sample units produced with equipment and procedures normally used in production. Parts
shall be "S" failure rate level and selected from manufacturers qualified to MIL-PRF-83421/1 "S" failure rate level.
4.4.1 Sample size. The number of capacitors to be subjected to qualification inspection shall be as specified in
MIL-PRF-83421.
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