Capitol FC-300-3M Full Coupling 3″ NPT Steel Fitting for Propane LP Natural Gas

SKU: FC-300-3M

Weight	3 lbs
Dimensions	8 × 8 × 8 in
Condition	New
Manufacturer Part Number	FC-300-3M
Brand	Capitol

$161.14

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$161.14	0%
5–9	$153.08	5%
10+	$145.03	10%

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Capitol FC-300-3M Full Coupling 3" NPT Steel Fitting for Propane LP Natural Gas

Specifications & product details

Capitol FC-300-3M Full Coupling – 3″ NPT Female Threaded Steel FittingThe Capitol FC-300-3M Full Coupling (3 Inch) is a heavy-duty, industrial-grade fitting designed for propane, LP gas, and natural gas piping systems. Constructed from durable carbon steel, this full coupling ensures a secure and long-lasting connection for high-pressure gas transfer applications.Key Features & Benefits:3″ NPT female threaded full coupling – compatible with standard pipe threadingDesigned for industrial propane, LP, and natural gas systemsHeavy-duty carbon steel construction for strength and reliabilityBlack steel finish for added durabilitySuitable for use in bulk plant operations, fuel transfer systems, and gas line assembliesThis coupling is ideal for contractors, propane distributors, and industrial gas professionals who require reliable threaded connections in high-demand environments.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

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Shipping & availability

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