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Nuts 5/16-24 Hx Ny-Ins Locknut St-zn (Jar 100)
Features
- Made to American Standard Dimensions
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- U
- Buy American Compliant:
- U
- Dimensional Standard:
- ASME B18.16.6
- Division:
- Electrical H1
- Fastener Head Height:
- 0.329 - 0.359 in.
- Fastener Head Width:
- 0.489 - 0.502 in.
- Fastener Height:
- 0.25
- Field Application:
- Width is Wrench Size
- Language Code:
- EN
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Hex_Nylon_Insrt_Lck_Nut_Steel_Zinc.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- CT
- Pack Type:
- Jar
- Product Group:
- Fasteners
- Product Height:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 1.15 lbs
- Product Width:
- 3 in
- Sub Division:
- Electrical-E H2
- Thread Direction:
- Right Hand
- Thread Per Inch:
- 24
- Thread Standard:
- ANSI/ASME B1.1
- Thread Type:
- UNC
- Department:
- Electrical
- Product Subgroup:
- Nuts
- Product Type:
- Hexagonal Nylon Insert Lock Nut
- Type2:
- Hexagonal Nylon Insert Lock Nut
- Series:
- JNYN
- Product Finish:
- Zinc
- Product Details:
- Hexagonal Nylon Insert Lock Nut
- Product Color:
- Silver
- Product Material:
- Steel
Metallics JNYN174 – Frequently Asked Questions
1) Will a 5/16-24 nylon insert locknut thread onto my 5/16 all-thread rod?
Only if that rod is 5/16-24. The JNYN174 is a fine-thread nut, 24 threads per inch, right hand, cut to ANSI/ASME B1.1. Most 5/16 threaded rod sold for electrical hanging is 5/16-18 coarse, and an 18 TPI rod will not run into a 24 TPI nut. Count the threads or check the rod stamp before you order.
2) Is a nylon insert locknut the right choice for equipment that vibrates, or should I use a lock washer?
A nylon insert nut like the JNYN174 resists loosening by deforming a nylon collar around the bolt threads, which gives steady prevailing torque and works well on motors, fan mounts, strut-hung equipment and anything that shakes. A split lock washer relies on spring tension and tends to relax faster under vibration. One caution: the nylon collar is the limiting factor in heat, so keep these off high-temperature applications and use an all-metal locknut there instead.
3) Are these Metallics locknuts made to a recognized dimensional standard for inspected work?
Yes. The JNYN174 hex nylon insert lock nut is built to ASME B18.16.6 for nut dimensions and ANSI/ASME B1.1 for the thread form, so it drops into a submittal that calls for American Standard hardware.
4) Can I reuse these nylon insert locknuts after taking an assembly apart?
Nylon insert nuts lose prevailing torque each time they are run off a bolt, because the collar is permanently deformed on first installation. For an MRO shelf that is the argument for buying the 100 count jar: the JNYN174 comes 100 to a jar with a 100 piece minimum, so replacing rather than reusing on a service call is practical.
5) Will zinc plated steel locknuts hold up outdoors or in a damp mechanical room?
The JNYN174 is steel with a zinc finish, silver in appearance. Zinc plating handles indoor, damp interior and sheltered conditions. For direct weather exposure, coastal air or anywhere corrosive, specify stainless rather than zinc plated steel.
6) I need a different size nylon insert locknut than 5/16-24. Does Metallics make others in this series?
The JNYN series covers other sizes and pack quantities beyond the 5/16-24 JNYN174, available by request. Give the thread size, pitch and the count you want and the matching JNYN number can be pulled.
7) How much does a jar of 100 of these 5/16-24 locknuts weigh and how big is the container?
The jar of 100 weighs 1.15 lbs and the container measures 3 in by 3 in by 2.15 in, small enough to ride in a van drawer or a parts bin without repackaging.
How fast can I get the Metallics JNYN174 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics JNYN174 come with a warranty?
Absolutely. The Metallics JNYN174 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics JNYN174?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
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and
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