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PARTS FOR UNION SPECIAL CLASSES: 51400
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CAST-OFF PLATE (Wire)
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TENSION NUT
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THREAD LEAD-IN GUIDE
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THREAD GUIDE
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THREAD GUIDE
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THREAD GUIDE
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THREAD GUIDE
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WASHER
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OIL SEAL RING
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DOWEL PIN
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BALL STUD GUIDE FORK
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HANDY CHARTS AND TABLES
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• HOOKS/BOBBIN CASES/
BOBBINS CROSS·
REFERENCE-PAGES 29
THRU 37
• METRIC CONVERSIONS–
PAGE 95
• NEEDLE SIZE
CONVERSIONS-PAGE 9