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    1/4″ Black Steel Close Nipple – Schedule 40, Welded, Grade B

    Part #: MM-57-020

    This 1/4″ black steel close nipple is constructed from durable welded Schedule 40 steel to Grade B specifications, ensuring strength and long-term reliability. It features NPT male threads (1/4″-18) on both ends for a secure, leak-resistant connection between fittings. The black finish offers added corrosion resistance, making it ideal for use in non-potable water, air, steam, and low-pressure gas systems. Designed for industrial, mechanical, and construction applications where a compact, high-strength fitting is essential.