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LTWFITTING 316 Stainless Steel 3″ Long Nipple (1/2″ MPT, Pack of 2)

$20.98 on Amazon.com (as of October 16, 2026, 7:02 AM EST) View details ↗

The **LTWFITTING 316 Stainless Steel Long Nipple** delivers rugged performance for plumbing, HVAC, and industrial applications. Crafted from **marine-grade 316 stainless steel**, this 3″ close nipple resists corrosion, scaling, and extreme temperatures—ideal for high-stress environments like marine, chemical processing, or outdoor installations. The **1/2″ male NPT thread** ensures a precise, leak-tight seal when paired with compatible fittings, while its compact 3″ length bridges gaps efficiently without bulk.

Each pack includes **two high-quality nipples**, ready for immediate use in piping systems, fluid transfer lines, or custom assemblies. Whether upgrading existing infrastructure or building new, this fitting’s durability and corrosion resistance make it a cost-effective choice for long-term reliability. Compatible with most standard 1/2″ NPT threaded components, it’s a versatile solution for professionals and DIYers alike.

MaterialStainless Steel 316 (marine-grade)
Thread Type1/2″ Male NPT
Length3″
Load CapacityHigh-pressure resistance (exact rating varies by application)
Package Quantity2 pieces
What types of systems is this nipple best suited for?
Its 316 stainless steel construction and 1/2″ NPT threading make it ideal for plumbing, HVAC, marine, or industrial fluid systems where corrosion resistance is critical.
Can these nipples be used with copper or CPVC piping?
No—they feature NPT threads designed for metal or threaded plastic piping, not copper or CPVC push-fit systems.
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