S-95160A210 0.26" ID x 0.487" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through spring tension design that maintains constant pressure under dynamic loads
• Exceptional corrosion protection with hot-dipped galvanized steel coating for extended service life in harsh environments
• Optimized dimensional accuracy with precise 0.26" ID and 0.487" OD ensuring perfect fit for 1/4" screw applications
• Enhanced mechanical strength with Rockwell C38 hardness rating providing reliable performance under high stress conditions
• Industry-standard compliance with ASME B18.21.1 specifications guaranteeing consistent quality and interchangeability
• Environmental responsibility with RoHS 3 compliance meeting strict regulatory requirements for hazardous substances
• Cost-effective maintenance through durable construction that reduces replacement frequency and downtime

Professional Applications & Engineering Value

This hot-dipped galvanized steel split lock washer delivers critical vibration-resistant performance in demanding industrial settings where fastener loosening can compromise system integrity. The standard split lock design creates continuous spring action that counters rotational forces and thermal cycling effects, making it ideal for heavy machinery, automotive assemblies, and electrical enclosures. The galvanized surface treatment provides robust protection against moisture and chemical exposure, while the precise 0.26" internal diameter ensures optimal engagement with 1/4" screws. Engineered to maintain clamping force in high-vibration environments, this washer prevents costly equipment failures and reduces maintenance interventions, delivering long-term reliability for mechanical systems requiring consistent fastener performance.

Specification Summary & Compliance

Manufactured to exact inch system dimensions with 0.26" ID, 0.487" OD, and 0.062" thickness for precise compatibility with 1/4" screw applications. This standard split lock washer meets ASME B18.21.1 mechanical standards and features Rockwell C38 hardness for consistent performance. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring environmental responsibility while maintaining the mechanical properties required for industrial locking applications.