Meet the Anderson Metals 3/8 in. MPT x 3/8 in. MPT Red Brass Pipe Nipple, 3 in. long — a compact, dependable connector engineered for reliability in potable water, heating, and small-diameter piping. Crafted from red brass, this nipple delivers corrosion resistance, solid torque transfer, and a lead-free composition designed for safe, long-lasting performance in real-world installations.
Key specifications
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End 1 diameter: 3/8 in. MPT
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End 2 diameter: 3/8 in. MPT
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Length: 3 in.
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Material: Red brass
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Maximum pressure: 890 psi
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Maximum temperature: 400°F
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Lead content: Lead-free (average lead content)
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ANSI certified: Yes
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Color/finish: Red
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Package quantity: 1 piece
Why red brass matters for your piping projects
Red brass combines strength with excellent corrosion resistance, making it a practical choice for hot water lines and other demanding connections. The lead-free construction aligns with potable-water codes, giving you peace of mind when delivering drinking water to fixtures. The red finish isn’t just cosmetic—it's a durable indicator of a robust alloy designed to withstand frequent temperature changes and varying pressures in real-system conditions.
Use cases and installation tips
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Where to use: Connecting two 3/8 in. female threaded fittings in potable water runs, hydronic heating loops, or other low-to-mid pressure piping applications.
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How to install: Clean threads, apply a compatible thread sealant rated for metal threads, and tighten to the manufacturer's specifications. Avoid over-tightening to prevent galling or thread damage.
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What to pair it with: 3/8 in. female threaded fittings or adapters that require a MPT-to-MPT connection. Ensure compatible materials to prevent galvanic corrosion in mixed-metal assemblies.
Who this is ideal for
HVAC technicians, plumbing professionals, and DIY enthusiasts tackling small-diameter water or heating connections will appreciate the precision fit and robust performance of this nipple. Its compact 3-inch length makes it perfect for tight spaces where longer nipples aren’t practical, while the ANSI certification and lead-free composition meet modern code requirements.
Practical considerations and value
- Longer service life in hot-water environments thanks to red brass’s thermal stability.
- Reliable, consistent thread engagement with MPT connections that minimizes leak potential when sealed correctly.
- A single, ready-to-use piece that reduces the need for multiple parts in small-scale assemblies.
Upgrade your piping projects with this dependable 3/8 in. MPT x 3/8 in. MPT red brass nipple. Its combination of lead-free safety, high-pressure tolerance, and temperature resistance makes it a practical, precise choice for clean, durable plumbing and heating installations. Add to your cart and connect with confidence.
