Allied Moulded 9315 Fiberglass...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2.18
Allied Moulded 9315 FiberglassBox Round Blank Cover, 4.75-Inch

Allied Moulded 9315 FiberglassBox Round Blank Cover, 4.75-Inch

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Model: 9315

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

$2.18
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Allied Moulded 9315 FiberglassBox Round Blank Cover, 4.75-Inch

The Allied Moulded 9315 is a round blank cover engineered from fiberglass reinforced polyester BMC (bulk molding compound), part of Allied Moulded's FiberglassBox™ product line. Measuring 4.75-Inch in diameter with a 0.375-Inch profile, this flat round cover is designed to close out unused circular openings on compatible fiberglass enclosures, junction boxes, and electrical housings. Built from a rugged, non-metallic BMC material, the 9315 blank cover offers a durable, corrosion-resistant solution for sealing off round openings in fiberglass electrical enclosures used across commercial, industrial, and outdoor installations.

Key Features

  • Trade Size: 4.75-Inch round diameter cover sized to fit corresponding round knockouts and openings on compatible FiberglassBox™ enclosures.
  • Low-Profile Design: 0.375-Inch thickness provides a flat, flush-mount blank cover that closes out openings without adding significant bulk to the enclosure.
  • Durable Construction: Molded from fiberglass reinforced polyester BMC, delivering strong resistance to corrosion, moisture, and the environmental stresses common to industrial and outdoor electrical applications.
  • Non-Metallic Material: BMC construction avoids the rust and corrosion concerns associated with metallic covers, making it well suited for use in corrosive or wet environments.
  • Round Blank Cover Function: Provides a clean, code-conscious method for closing off unused round openings on fiberglass electrical enclosures.
  • FiberglassBox™ Compatibility: Designed as part of the Allied Moulded FiberglassBox™ system for consistent fit and finish with other FiberglassBox™ components.

Technical Specifications

  • Diameter: 4.75-Inch
  • Thickness: 0.375-Inch
  • Material: Fiberglass Reinforced Polyester BMC
  • Shape: Round, Flat
  • Product Line: FiberglassBox™

Typical Applications

  • Sealing Unused Round Knockouts on Fiberglass Enclosures
  • Commercial and Industrial Electrical Installations
  • Outdoor and Corrosion-Prone Environments
  • Junction Box and Enclosure Retrofits
  • FiberglassBox™ System Enclosure Assemblies

Why Allied Moulded?

Allied Moulded builds its FiberglassBox™ line from fiberglass reinforced polyester BMC to deliver enclosure components that stand up to demanding electrical environments without the corrosion risk of metallic alternatives. The 9315 round blank cover reflects that same commitment to durable, purpose-built construction, giving electrical professionals a reliable way to close out unused round openings while maintaining the integrity of their fiberglass enclosure system.

Manufacturer Resources

Spec Sheet

Product Specs

list_batch:
ALM-20260924
Product Type:
Blank Cover
Configuration:
Round
Department:
Electrical
Product Group:
Boxes and Enclosures
Product Subgroup:
Electrical
Product Material:
Fiberglass Reinforced Polyester BMC

Allied Moulded 9315 – Frequently Asked Questions

1) What size opening does the Allied Moulded 9315 blank cover close off?
The 9315 is a 4.75 inch diameter round flat cover, so it closes out round openings on compatible FiberglassBox enclosures sized to that 4.75 inch dimension. It sits low, 0.375 inch thick, so it does not add bulk inside a tight enclosure or in a wall cavity. Measure your open round knockout across the face before ordering; if the opening is larger or smaller than 4.75 inches, this cover is not the one.
2) Will a fiberglass blank cover hold up outdoors or in a wet, corrosive area?
That is the reason to pick it. The 9315 is molded from fiberglass reinforced polyester BMC, a non-metallic material, so there is no rust or galvanic corrosion the way there is with a steel or die-cast cover. Allied Moulded lists it for commercial, industrial and outdoor installations and corrosion-prone environments, which covers car washes, wastewater areas, coastal exteriors and wash-down spaces.
3) Can I use the 9315 to cover an abandoned round junction box during a retrofit?
Yes, enclosure and junction box retrofits are one of the listed applications. Where a round opening on a fiberglass enclosure is no longer used, the 9315 gives you a flat closure that matches the rest of the FiberglassBox system in material and finish. It is a common move for property managers and MRO crews cleaning up abandoned openings after a device is removed.
4) Does the Allied Moulded 9315 cover match other FiberglassBox parts on the same enclosure?
It does. The 9315 is part of Allied Moulded's FiberglassBox line and is built for consistent fit and finish with other FiberglassBox components, so a facility standardizing on that system gets the same BMC material across boxes and covers rather than a mixed metal-and-plastic look.
5) What part number should I order for the Allied Moulded round fiberglass blank cover?
Order Allied Moulded 9315. That is the manufacturer part number for the 4.75 inch round blank cover in fiberglass reinforced polyester BMC, and it is the only configuration, so there is no finish or size option to specify.
How fast can I get the Allied Moulded 9315 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 Allied Moulded 9315 come with a warranty?
Absolutely. The Allied Moulded 9315 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 Allied Moulded 9315?
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 Allied Moulded 9315 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.
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