5/16"-18 Stainless Steel Nylon Insert Hex Nuts

Product Description

Part Number: 31CNNESS
Diameter/Pitch: 5/16"-18
Grade: 18-8 (304) Stainless Steel
Finish: Plain
Thread Series: Coarse (UNC)

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5/16"-18 Stainless Steel Nylon Insert Hex Nuts

SKU: 31CNNESS

Product Description

Part Number: 31CNNESS
Diameter/Pitch: 5/16"-18
Grade: 18-8 (304) Stainless Steel
Finish: Plain
Thread Series: Coarse (UNC)

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1

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100

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200

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500

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2500

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Thread Size	5/16"-18
Finish	Plain
Thread Series	Coarse (UNC)
Specifications Met	IFI-100/107
Max Temperature	250°F (nylon insert limit)

Grade	18-8 Stainless
Head Type	Hex
Thread Class	2B
Lock Type	Nylon Insert Lock Nuts

Material	18-8 (304) stainless steel
Wrench Size	0.500" (1/2")
Proof Load (min)	3,670 lbf
Locking Type	Nylon Insert (Prevailing Torque)

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"-18
Width Across Corners	0.577" max
Thread Class	2B
Locking Type	Nylon Insert (Prevailing Torque)
Max Temperature	250°F (nylon insert limit)
Material	18-8 (304) stainless steel

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.