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Brass Fittings 40145 Red Brass Pipe Nipple 1-1/2 x 4 Inch

Manufacturer

Brass Fittings

<h3>About Brass Fittings</h3><p>When a connection needs to hold — whether in a plumbing system, an engine bay, a fuel line, or a marine application — the material and craftsmanship of the fitting matter enormously. Brass Fittings has built its reputation on exactly that principle: delivering precision-engineered components made from high-quality brass and bronze alloys that stand up to pressure, vibration, and corrosion over the long haul.</p><p>Rooted in the manufacturing tradition of Jamnagar, India — a region recognized globally as a hub for world-class brass component production — and distributed through the established network of Midland Industries, this brand brings together old-world metallurgical expertise and modern machining precision. The result is a broad catalog of fittings, adapters, and accessories trusted by professionals across automotive, industrial, marine, and residential applications.</p><h3>Why Brass and Bronze?</h3><p>Brass and bronze alloys offer a compelling combination of properties that make them ideal for fluid and gas handling systems. They resist corrosion far better than plain steel, machine cleanly to tight tolerances, and create leak-free seals when properly installed. Unlike plastic alternatives, brass and bronze fittings can handle elevated temperatures and higher working pressures, making them the preferred choice in demanding environments.</p><p>At the heart of the Brass Fittings lineup are the brand&apos;s <a href="/7273-brass-fittings-brass-bronze-pipe-hose-fittings-200203">Brass &amp; Bronze Pipe &amp; Hose Fittings</a> — a comprehensive assortment of elbows, tees, couplings, nipples, crosses, adapters, and barbed connectors. Whether you&apos;re routing coolant lines, building a fuel system, or plumbing a compressor, these fittings offer the dimensional consistency and thread quality needed to ensure a proper seal every time.</p><h3>A Complete Fittings Solution</h3><p>Beyond the core brass and bronze lineup, the catalog extends into <a href="/7273-brass-fittings-pipe-fitting-17358">Pipe Fittings</a> that cover a wide range of thread types, configurations, and material grades — giving technicians and builders the flexibility to tackle both standard and specialized installations. From straight pipe nipples to reducing bushings and hex plugs, these components are the backbone of any fluid-routing system.</p><p>No fitting installation is complete without a proper seal on the threads. Brass Fittings addresses this with <a href="/7273-brass-fittings-thread-sealant-tape-17329">Thread Sealant Tape</a> — the go-to solution for creating leak-tight connections on tapered pipe threads. Using the right thread sealant alongside quality brass fittings is a small step that makes a significant difference in long-term reliability.</p><p>Rounding out the lineup are <a href="/7273-brass-fittings-nylon-pipe-to-hose-adapters-200725">Nylon Pipe to Hose Adapters</a>, which bridge the gap between rigid pipe systems and flexible hose runs. These lightweight, corrosion-resistant adapters are particularly useful in applications where dissimilar materials need to be joined cleanly and securely.</p><h3>Built for Professionals and DIYers Alike</h3><p>Whether you&apos;re a professional mechanic, a marine technician, an HVAC installer, or a dedicated DIYer, the Brass Fittings catalog offers the components needed to do the job right. The combination of proven alloy materials, precise machining, and a broad range of configurations makes this brand a reliable one-stop resource for connection hardware across virtually any system.</p>

Part Number

40145
09/13/2036 2:48 AM
Sale Price

$43.38

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Brass Fittings 40145 is a 1-1/2 inch x 4 inch red brass pipe nipple designed for connecting threaded pipes and fittings in plumbing and mechanical systems. Red brass construction provides excellent corrosion resistance and durability for long-lasting performance in various applications.

Key Features:

  • Red brass construction for superior corrosion resistance
  • 1-1/2 inch nominal pipe size with male NPT threads on both ends
  • 4 inch length between thread shoulders
  • Suitable for air, gas, and non-potable water applications
  • Standard pipe thread configuration for easy installation

Important: This fitting is NOT approved for use in potable water systems. It is intended for industrial, commercial, and residential applications where non-potable water, compressed air, natural gas, or other compatible fluids are being conveyed.

Red brass pipe nipples are commonly used in HVAC systems, compressed air lines, gas piping, irrigation systems, and general plumbing applications where code permits their use. The threaded ends allow for quick connection to compatible fittings, valves, and equipment.

Products specifications

Length

4"

Size

1-1/2" dia.

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