The 3/8 316 Stainless Steel Locknuts – SP114 are high-performance fasteners designed for secure, vibration-resistant connections in demanding environments. Made from 316 stainless steel, they offer superior corrosion and pitting resistance compared with 304, making them ideal for marine, chemical, and outdoor applications, as well as analyzer shelters and lab skids. Their self-locking design ensures reliable holding power and repeatable positioning after service events, while the SP114 specification guarantees consistent dimensions and precise thread integrity. With ASME B1.20.1 NPT threads and MSS Class 150 construction, these locknuts provide professional-grade durability and dependable performance for industrial and mechanical assemblies requiring anti-rotation and long-lasting reliability. Order now for fast shipping and professional-grade results.