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    1/2″ x 3″ Black Steel Pipe Nipple – Schedule 40, Welded, Grade B

    Part #: MM-57-064

    This 1/2″ x 3″ black steel pipe nipple is manufactured from high-quality welded Schedule 40 steel and meets Grade B standards for reliable, long-lasting performance. It features precision-machined NPT male threads on both ends for a secure, leak-resistant connection. The black finish helps resist corrosion in non-potable water, air, steam, and low-pressure gas systems. Perfect for industrial, agricultural, construction, and mechanical piping applications.