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NSI Industries JNYN174 - 5/16-24 Hex Nylon Insert Lock Nut Fine Thread Zinc
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NSI Industries JNYN174 5/16-24 Hex Nylon Insert Lock Nut Fine Thread Zinc

Alternate Item Number: 85574

UPC: 639720855746


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Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The NSi Industries JNYN174 5/16-24 Hex Nylon Insert Lock Nut is a precision-engineered fastening solution for industrial applications requiring vibration resistance and corrosion protection. This lock nut features a durable nylon insert that creates a secure, vibration-resistant grip on mating threads, preventing loosening under dynamic loads. The fine thread design (24 threads per inch) ensures precise alignment and reduces the risk of cross-threading, making it ideal for high-tolerance assemblies. The zinc plating provides 500+ hours of salt spray corrosion resistance per ASTM B117, extending service life in harsh environments. Designed for compatibility with standard 5/16-inch bolts, this hex nut accommodates installation and removal with common hand tools (1/2-inch or 13mm socket/wrench). Common applications include machinery assemblies, automotive drivetrain components, construction equipment, and electrical enclosures where secure, long-term fastening is critical. The UNSPSC code 31161714 classifies this as a threaded insert nut for industrial use.
  • 5/16-inch nominal size with 24 fine threads per inch for precise alignment
  • Nylon insert provides vibration-resistant locking to prevent loosening
  • Zinc plating offers 500+ hours salt spray corrosion resistance (ASTM B117)
  • Hex head design fits standard 1/2-inch or 13mm tools for easy installation
  • Made in USA by NSi Industries for industrial-grade reliability

Specifications

Application
Width is Wrench Size
Color
Silver
Finish
Zinc
Height
0.25 to 0.329 in
Material
Nylon and Zinc
Material of Construction
Steel
Nut Type
Hex
Size
5/16-24 in
Special Features
Made to American Standard Dimensions
Thread Direction
Right
Thread Size
0.3125 in
Thread Type
UNC
Type
Hex Nuts - Nylon Insert Stop
Width
0.5 IN
Package Dimensions (L x W x H)
3 IN x 3 IN x 2.15 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 5.461 cm
Package Weight (Imperial)
1.150 L
Package Weight (Metric)
0.522 kg
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CIN37PL

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Frequently Asked Questions

What is the finish specification for the lock nuts?

The finish for the Hex Nylon Insert Lock Nuts is Fe/Zn 3AN, as specified per ASTM F1941/F1941M.

What are the thread requirements for the JNYN series lock nuts?

The thread requirements for the lock nuts are ASME B1.1, including UNC & UNF types, and Class 2B.

What are the prevailing torque specifications for these lock nuts?

The prevailing torque performance for these Hex Nylon Insert Lock Nuts is specified per ASME B18.16.6.

Is the nylon insert material RoHS compliant?

Yes, the Nylon 6/6 material used in the lock nuts is in compliance with the current RoHS European Union Directive.

What material are the JNYN series lock nuts made from?

The nut material for the JNYN series Hex Nylon Insert Lock Nuts is Carbon Steel, Grade N2, as specified by ASME B18.16.6.

What are the dimensions of the JNYN series lock nuts?

The dimensions for the Hex Nylon Insert Lock Nuts – Steel Zinc in the JNYN series are specified per ASME B18.16.6.

What is the finish specification for the lock nuts?

The finish for the Hex Nylon Insert Lock Nuts is Fe/Zn 3AN, as specified per ASTM F1941/F1941M.

What are the thread requirements for the JNYN series lock nuts?

The thread requirements for the lock nuts are ASME B1.1, including UNC & UNF types, and Class 2B.

What are the prevailing torque specifications for these lock nuts?

The prevailing torque performance for these Hex Nylon Insert Lock Nuts is specified per ASME B18.16.6.

Is the nylon insert material RoHS compliant?

Yes, the Nylon 6/6 material used in the lock nuts is in compliance with the current RoHS European Union Directive.

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