MILPRF50884F
APPENDIX F
EXTERNAL VISUAL AND DIMENSIONAL ILLUSTRATIONS
F.1 SCOPE
F.1.1 Scope. This appendix establishes uniform criteria for evaluating and classifying defects on partially
complete or completed printed wiring boards, qualification test specimens, and test coupons during visual and
dimensional inspections. This appendix describes the desired, acceptable, and nonconforming conditions of printed
wiring boards that are externally observable. It represents the visual interpretation of minimum requirements set
forth in appendix A of this specification. The criteria shall apply whether a 100-percent inspection or a sampling
plan procedure is used. This appendix is a mandatory part of this specification for manufacturers qualified to the
QPL product assurance level of appendix A. The information contained herein is intended for compliance.
F.2 APPLICABLE DOCUMENTS This section is not applicable to this appendix.
F.3 EXTERNALLY OBSERVABLE CHARACTERISTICS
F.3.1 General. This section addresses those characteristics which are observable from the surface of printed
wiring boards. This includes those characteristics that are external and internal in the printed wiring board, but visible
NOTES:
1. Dimensions are in inches.
2. Millimeter equivalents are given for general information only.
FIGURE F1. Transition zone for flexible to rigid junctions.
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