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Product Description

Part Number: 43CHLNL9Y
Diameter/Pitch: 7/16"-14
Grade: Grade L-9
Finish: Zinc Yellow
Thread Series: Coarse (UNC)
Wrench Size: 11/16"
Country of Origin: USA

BoltsandNuts.com

7/16"-14 Grade L-9 Hex Collar Locknuts USA Zinc Yellow

SKU: 43CHLNL9Y
Product Description

Part Number: 43CHLNL9Y
Diameter/Pitch: 7/16"-14
Grade: Grade L-9
Finish: Zinc Yellow
Thread Series: Coarse (UNC)
Wrench Size: 11/16"
Country of Origin: USA

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Thread Size7/16"-14
FinishZinc Yellow
Thread SeriesCoarse (UNC)
Specifications MetIFI-100/107
Prevailing Torque48 in-lb max (first installation)
GradeGrade L-9
Head TypeHex
Thread Class2B
Lock TypeCollar Lock Nuts
Break Away Torque9 in-lb min (fifth removal)
MaterialMedium carbon steel, heat treated
Wrench Size11/16"
Proof Load (min)15,950 lbf
Locking TypeAll-metal prevailing torque (distorted thread)
Max TemperatureRated to 450°F (all-metal)
Technical Drawing
TOP VIEWFRONT VIEW
Not to scale · IFI-100/107 · See table for exact dimensions

Technical Dimensions

Width Across Flats 0.688" (11/16")
Thread Size 7/16"-14
Width Across Corners 0.794" max
Thread Class 2B
Proof Load 15,950 lbf
Prevailing Torque 48 in-lb max (first installation)
Break-Away Torque 9 in-lb min (fifth removal)
Locking Type All-metal prevailing torque (distorted thread)
Max Temperature Rated to 450°F (all-metal)
Material Medium carbon steel, heat treated
All-metal collar lock nut: a crimped collar on top grips the bolt thread to resist vibration loosening without a nylon insert. Suitable for elevated temperatures where nylon would fail.

Dimensions conform to IFI-100/107 and may vary within specified manufacturing tolerances.

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