MILPRF50884F
APPENDIX A
A.4 VERIFICATION
A.4.1 Classification of inspections. The inspections requirements specified herein are classified as follows:
a.
Qualification inspection (see A.4.5).
b.
Inspection of product for delivery (see A.4.6).
c.
Periodic conformance inspection (see A.4.7).
A.4.2 Test and measuring equipment. Measuring and test equipment of sufficient accuracy, quality, and quantity
to permit performance of the required inspection shall be established and maintained by the manufacturer. The
establishment and maintenance of a calibration system to control the accuracy of the measuring and test equipment
A.4.3 Inspection conditions. Unless otherwise specified in the applicable test method or procedure, inspections
and tests shall be performed in accordance with test method number 1.3 of IPCTM650.
A.4.4 Printed wiring board performance verification. Printed wiring board performance verification shall consist of
inspections on the production printed wiring boards and the QCTC or test coupons referenced in tables herein for in-
process, groups A, B, and C inspections. Selection of test coupons for testing shall be in accordance with the
applicable inspection table. Each production printed wiring board or panel of printed wiring boards shall include
sufficient test coupons to complete the applicable verification requirements specified. The design of test coupons
shall be as specified on the applicable master drawing (see A.3.1.1). The minimum number of test coupons on the
production panel and the requirements for positioning the test coupons on the inspection panel shall be in
accordance with the requirements of appendix H.
A.4.5 Qualification inspection (see A.6.3). Qualification inspection shall be performed at the manufacturing
location and a laboratory acceptable to the Government on sample qualification test specimens produced with
material, equipment, processes, and procedures normally used in production. The requirements for qualification to
the QPL product assurance level shall be in accordance with appendix E.
A.4.5.1 Retention of qualification. To retain qualification, the manufacturer shall make available to the qualifying
activity data concerning production of qualified product at 12 month intervals. The qualifying activity shall establish
the initial reporting date. The retention of qualification data shall consist of:
a.
A summary of the results of the tests performed for inspection of product delivery (in-process and group A)
indicating as a minimum the number of lots that have passed and the number of lots that have failed. The
results of tests of all reworked lots shall be identified and accounted for.
b.
A summary of the results of tests performed for groups B and C inspection performed and completed during
the 12 month period.
c.
The actual test data for groups A, B, or C or all shall be supplied to the qualifying activity upon request.
d.
The extent of qualification specified in E.4 shall apply.
e.
Group B is performed each month, only for those months in which production occurred.
f.
To retain qualification, the manufacturer shall requalify every 36 months from the date of initial qualification.
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