TM 9-6115-604-34NAVFAC P-8-633-34Figure 9-3. Inspection of ValvesNOTE: EXAMINATION OF AREAS A, B, C, D, AND E SHALL BE CARRIED OUT UNDER3-POWER MAGNIFICATION.AREASTANDARDSANO MAGNETIC INDICATION OVER 0.500 INCH (12.70 mm) INLENGTH, OR MORE THAN 5 INDICATIONS SPACED CLOSERTHAN 0.125 INCH (3.18 mm).BNO VISIBLE MAGNETIC INDICATION.CNO VISIBLE MAGNETIC INDICATION.DNO VISIBLE MAGNETIC INDICATION.ENO VISIBLE MAGNETIC INDICATION.SEE PARAGRAPH 9-8.Figure 9-4. Fluorescent Magnetic Particle Inspection of Valves9-9
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