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Brass Fittings 40086 3/4" x 4" Red Brass Pipe Nipple

Manufacturer

Brass Fittings

<h3>About Brass Fittings</h3><p>When it comes to dependable fluid and gas connections, few materials have stood the test of time like brass. <strong>Brass Fittings</strong> is a manufacturer rooted in the precision-machined components tradition of Jamnagar, India — a region globally recognized as a center of excellence for brass manufacturing. Combining state-of-the-art CNC machining with rigorous quality standards, Brass Fittings delivers components engineered for long-term reliability across plumbing, pneumatic, hydraulic, automotive, and industrial applications.</p><p>Brass as a material earns its reputation through an exceptional combination of properties: natural corrosion resistance, excellent machinability, high tensile strength, and the ability to form leak-free threaded connections. These qualities make brass fittings a go-to choice for professionals and enthusiasts alike, whether the job involves routing fuel lines, connecting air tool systems, or building out fluid transfer assemblies on a vehicle or equipment platform.</p><h3>A Broad Range of Connection Solutions</h3><p>The flagship category for this brand is <a href="/7273-brass-fittings-brass-bronze-pipe-hose-fittings-200203">Brass &amp; Bronze Pipe &amp; Hose Fittings</a> — an extensive lineup that spans elbows, tees, couplings, nipples, adapters, and unions in both standard and specialty configurations. Whether you need a simple street elbow to redirect a fuel line or a complex reducing fitting to transition between tube sizes, this range covers virtually every scenario encountered in automotive and equipment applications.</p><p>Complementing those fittings is a selection of <a href="/7273-brass-fittings-pipe-fitting-17358">Pipe Fittings</a> — the threaded connectors and nipples that form the backbone of any piping system. Proper pipe fittings ensure secure, pressure-rated joints whether you&apos;re plumbing an air compressor, a hydraulic circuit, or a coolant line. Brass&apos;s natural thread-forming properties make these fittings especially well-suited for repeated assembly and disassembly without galling or thread damage.</p><p>For every threaded connection, achieving a leak-free seal is paramount. <a href="/7273-brass-fittings-thread-sealant-tape-201063">Thread Sealant Tape</a> — commonly known as PTFE or pipe tape — works hand-in-hand with brass fittings to fill the microscopic gaps in threaded joints, preventing fluid and air leaks in even high-pressure systems. Having the right tape on hand is as important as the fitting itself.</p><p>The lineup also includes <a href="/7273-brass-fittings-nylon-pipe-to-hose-adapters-200725">Nylon Pipe to Hose Adapters</a>, a practical solution for transitioning between rigid pipe threads and flexible hose assemblies. These adapters are ideal in applications where vibration isolation or routing flexibility is needed, such as in engine compartments or equipment frames. Finally, the <a href="/48894-air-tool-hose-splicer-brass-fittings-7273">Air Tool Hose Splicer</a> selection rounds out the pneumatic accessories offering, allowing worn or damaged air hoses to be repaired in the field without replacing the entire line — a practical, cost-effective solution for any workshop or job site.</p><h3>Why Choose Brass Fittings?</h3><ul style="list-style:disc"><li><strong>Corrosion resistance:</strong> Brass naturally resists rust and oxidation, ensuring a long service life even in wet or chemically challenging environments.</li><li><strong>Precision machining:</strong> CNC-machined components deliver consistent dimensions and thread quality for reliable, repeatable connections.</li><li><strong>Versatility:</strong> A single product line covers automotive, industrial, plumbing, pneumatic, and hydraulic applications.</li><li><strong>Broad compatibility:</strong> Fittings are available in standard NPT, BSP, and SAE thread forms to match virtually any existing system.</li></ul>

Part Number

40086
09/22/2036 3:49 AM
Sale Price

$18.53

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Brass Fittings 40086 is a 3/4 inch x 4 inch red brass pipe nipple designed for general plumbing and piping applications. This durable brass nipple provides a reliable threaded connection between two female pipe fittings or valves.

Key Features:

  • Red brass construction for corrosion resistance and durability
  • 3/4 inch NPT male threads on both ends
  • 4 inch overall length
  • Suitable for air, gas, oil, and non-potable water applications
  • Standard pipe thread for easy installation

Important: This fitting is NOT approved for use in potable (drinking) water systems. Use only for non-potable water, compressed air, natural gas, LP gas, steam, or other approved applications per local codes.

Red brass pipe nipples are commonly used in HVAC systems, compressed air lines, gas distribution, irrigation systems, and general industrial piping. The threaded ends allow for quick connection without soldering or welding.

Products specifications

Length

4"

Size

3/4" Dia.

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No comment so far.

Fast, easy and very competitive prices. The customer service was very good with a quick and helpful response. I will shop here again!

Great prices. OK service. My order shipped 5/6 days after placing my order...Granted 2 of those days were weekend days. I asked were it was shipping from and was told Illinois. Turns out it's coming from Cali. They did bump my order up to ship UPS 2day. Nice!

Needed a part and found it on their site for the lowest price on the internet, and they shipped it quickly!

Fast Shipping. Hard to find item. Thanks

Excellent prices. Reasonable shipping. Website is a little tweaky but if that keeps prices low who cares!

There was no description with my item but the part number is correct so I'm optimistic.

Quick and easy, shipping was expensive

This site had the lowest pricing out of any website that was advertising the same product on Google shopping. The shipping cost was very resonable and the parts arrived in two days.

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