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Thread Class:
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3b
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Thread Direction:
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Right-hand
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Locking Feature:
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Prevailing torque with nonmetallic insert
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Lubrication:
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Soluble lubricant
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Nut Style:
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Hexagon
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Nut Height:
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0.219 inches maximum
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Width Across Flats:
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0.430 inches minimum and 0.439 inches maximum
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Temperature Rating:
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250.0 deg fahrenheit maximum
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Thread Series:
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Unf
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Thready Qty Per Inch (tpi):
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28
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Thread Size:
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0.250 inches
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Countersink Angle:
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88.0 degrees minimum nut
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Bearing Surface Type:
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Chamfered or washer faced
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Bearing Surface Finish:
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125.0 microinches
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Material:
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Copper alloy nut
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Material:
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Plastic polyamide channel
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Surface Treatment:
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Cadmium overall except insert and chromate overall except insert
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Surface Treatment Specification:
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Qq-p-416,ty 2,cl 2 fed spec all treatment responses overall except insert
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