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Thread Class:
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3a
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Thread Direction:
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Right-hand
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Thread Length:
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0.338 inches minimum and 0.388 inches maximum
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Fastener Length:
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0.660 inches minimum and 0.690 inches maximum
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Head Style:
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Flat countersunk
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Head Diameter:
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0.339 inches minimum and 0.381 inches maximum
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Grip Diameter:
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0.1890 inches minimum and 0.1895 inches maximum
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Internal Drive Style:
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Offset cruciform (torque set)
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Thread Diameter:
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0.190 inches
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Grip Length:
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0.302 inches minimum and 0.322 inches maximum
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Thready Qty Per Inch (tpi):
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32
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Min. Tensile Strength (psi):
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160000 pounds per square inch
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Countersink Angle:
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99.0 degrees minimum and 101.0 degrees maximum
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Surface Finish:
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32.0 microinches grip
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Surface Finish:
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32.0 microinches threads
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Material:
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Titanium alloy overall
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Material Specification:
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Nas 621 assn std single material response overall
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Thread Series Designator:
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Unjf
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Specification Data:
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80205-nas1580 professional/industrial association standard
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