S-94922A300 4-40 Cap Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance due to Nylon 6/6 material, ideal for harsh environments without risk of rust or chemical degradation.
• Reliable thread engagement with Class 2B fit ensures consistent, secure fastening and reduces the risk of cross-threading.
• Wide temperature tolerance from -40° to 185° F maintains integrity and performance in varying operational conditions.
• Easy installation and removal with external hex drive design, allowing for standard tool use and efficient assembly line workflows.
• Effective end-thread protection with standard cap nut profile, safeguarding threads from damage and contaminants.
• Environmental compliance with RoHS 3, meeting strict regulations for hazardous substance restrictions in industrial applications.
• Lightweight and non-conductive properties reduce overall assembly weight and prevent electrical conductivity issues.

Professional Applications & Engineering Value

This 4-40 UNC Nylon 6/6 Plastic Cap Nut is engineered to address common industrial challenges such as corrosion, electrical insulation, and weight reduction. Made from durable Nylon 6/6, it resists moisture, chemicals, and UV exposure, making it perfect for electrical enclosures, marine equipment, and outdoor machinery. The coarse thread spacing and Class 2B thread fit provide quick, reliable assembly, minimizing downtime in high-volume production. Its right-hand thread and external hex drive ensure compatibility with standard tools, streamlining maintenance and reducing labor costs. Ideal for applications requiring non-metallic fasteners, this cap nut enhances safety and longevity in sensitive environments.

Specification Summary & Compliance

This cap nut adheres to UNC thread standards with a Class 2B thread fit for precise dimensional accuracy, ensuring consistent performance. Key specifications include a thread size of 4-40, width of 1/4", height of 9/32", and thread depth of 13/64". It is fully compliant with RoHS 3 (2015/863/EU), confirming it meets environmental safety standards for restricted substances. Manufactured to withstand temperatures from -40° to 185° F, it is suitable for a wide range of industrial and commercial uses without compromising on reliability or safety.