B-Line Eaton series other encl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$64.60
$16.96
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B-Line Eaton series other enclosure accessories, 12 and 4, Used with large 3R panel mount, Wall mount, .375-16 flange nut

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Model: 10243 C

In Stock (leaves warehouse same day if ordered before 3pm ET)

$64.60
$16.96
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Eaton B-Line series other enclosure accessories, NEMA 12 and 4, Used with large 3R panel mount, Wall mount, .375-16 flange nut

Manufacturer Resources

Product Specs

Application:
Used with large 3R panel mtg
Certifications:
UL Listed
Degree Of Protection:
NEMA 12 & 4
Mounting Method:
Wall
Product Diameter:
.68 in
Product Height:
.375 in
Product Weight:
.17 lb
Department:
Electrical
Product Group:
Fasteners
Product Subgroup:
Washers / Nuts / Bolts / Screws
Product Type:
.375-16 flange nut
Product Details:
.375-16 flange nut

B-LINE 10243 C – Frequently Asked Questions

1) Is this flange nut rated for NEMA 12 and NEMA 4 enclosures?
Yes. The 10243 C is specified for NEMA 12 and 4 enclosure applications and is UL Listed, which matters if you're maintaining a dust-tight or hosedown-rated enclosure on an inspected installation.
2) What is the Eaton B-Line 10243 C flange nut actually used for?
It's the fastener used with large 3R panel mounting assemblies on wall mount enclosures. The flange acts as a built-in bearing surface, spreading the load on the panel or bracket so a separate washer isn't needed.
3) Will this nut work on a floor-mount or free-standing enclosure panel?
It's specified for wall mount enclosures and large 3R panel mounting. For a free-standing or floor-mount frame, the panel mounting hardware differs, so match the fastener called out for that enclosure family rather than assuming this one carries over.
4) What part number do I order for the Eaton B-Line 3/8-16 enclosure flange nut?
Order it as Eaton B-Line model 10243 C. That's the .375-16 flange nut for large 3R panel mounting on wall mount enclosures.
5) Do I need a separate washer with the 10243 C nut?
No. The flange on the nut provides the bearing surface, so it seats directly against the panel or bracket without an added flat washer. Shipping weight is listed at .17 lb.
How fast can I get the B-LINE 10243 C 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 B-LINE 10243 C come with a warranty?
Absolutely. The B-LINE 10243 C 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 B-LINE 10243 C?
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
Why buy the B-LINE 10243 C from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.