5/16"-24 Grade 8 Hex Nylon Insert Lock Nuts Zinc Yellow

Product Description

Part Number: 31FNNE8Y
Diameter/Pitch: 5/16"-24
Grade: Grade 8
Finish: Zinc Yellow
Thread Series: Fine (UNF)
Wrench Size: 1/2"

BoltsandNuts.com

5/16"-24 Grade 8 Hex Nylon Insert Lock Nuts Zinc Yellow

SKU: 31FNNE8Y

Product Description

Part Number: 31FNNE8Y
Diameter/Pitch: 5/16"-24
Grade: Grade 8
Finish: Zinc Yellow
Thread Series: Fine (UNF)
Wrench Size: 1/2"

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$0.24/pc

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3000

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Thread Size	5/16"-24
Finish	Zinc Yellow
Thread Series	Fine (UNF)
Proof Load (min)	8,710 lbf
Locking Type	Nylon Insert (Prevailing Torque)

Grade	Grade 8
Head Type	Hex
Head Marking	J995 Grade 8 marking
Specifications Met	IFI-100/107
Max Temperature	250°F (nylon insert limit)

Material	Medium carbon alloy steel, quenched and tempered
Wrench Size	1/2"
Thread Class	2B
Lock Type	Nylon Insert Lock Nuts

Technical Drawing

Not to scale · IFI-100/107 · See table for exact dimensions

Technical Dimensions

Width Across Flats	0.500" (1/2")
Thread Size	5/16"-24
Width Across Corners	0.577" max
Thread Class	2B
Locking Type	Nylon Insert (Prevailing Torque)
Max Temperature	250°F (nylon insert limit)
Material	Medium carbon alloy steel, quenched and tempered

Hex nut with a nylon insert ring at the top. The insert grips the bolt threads to resist loosening from vibration; it is a prevailing-torque nut, so expect drag while it runs down. Not for use above the insert temperature limit.

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