S-92994A128 5-40 Cap Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments due to premium 316 stainless steel construction
• Reliable coarse threading with 5-40 UNC Class 2B fit ensures smooth assembly and vibration resistance
• Secure external hex drive allows for high-torque installation using standard tools
• Domed cap design provides a finished appearance while protecting threads from damage
• Full regulatory compliance with RoHS 3 and REACH standards for safe industrial use
• Precise inch dimensions (5/16" width, 11/32" height) guarantee consistent fit and performance
• Right-hand thread direction enables straightforward installation in standard applications

Professional Applications & Engineering Value

This 316 stainless steel cap nut delivers critical performance in corrosive environments where standard fasteners fail. The 5-40 UNC coarse thread with Class 2B fit maintains reliable engagement under vibration, while the external hex drive accommodates high installation torque. Ideal for chemical processing, marine equipment, and food machinery, the domed cap eliminates sharp edges and protects internal threads from contamination. The combination of maximum corrosion resistance and precise inch measurement system compatibility makes this nut essential for maintenance and OEM applications requiring durable stainless steel fasteners.

Specification Summary & Compliance

Manufactured to standard cap nut profile with 5-40 UNC coarse thread and Class 2B thread fit per ASME standards. Dimensions include 5/16" width, 11/32" height, and 1/8" thread depth. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for hazardous substance restrictions.