Anderson Metals 5/16 In. Brass Compression Nut, 3-Pack is a high-quality fitting designed for use in compression connections with 5/16-inch outside diameter tubing. Crafted from durable brass, this compression nut excellent resistance to corrosion, making it i for plumbing and fluid transfer applications where reliable compression fittings are necessary. Its sturdy construction ensures long-lasting performance in a variety of settings, providing a secure and leak-resistant connection. Model Number: 30061-05