S-92146A530 0.12" ID x 0.209" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through the split lock design that maintains constant spring tension under dynamic loads
• Excellent corrosion resistance provided by 18-8 stainless steel construction for extended service life in harsh environments
• Precise dimensional compatibility with 0.12" ID specifically engineered for No. 4 screw applications
• Reliable hardness performance with Rockwell C35 rating ensuring consistent spring action and load distribution
• Industry-standard compliance with ASME B18.21.1 specifications for guaranteed interchangeability and quality
• Environmental regulation adherence with full RoHS 3 and REACH compliance for global manufacturing applications
• Optimized size configuration featuring 0.209" OD and 0.025" thickness for space-constrained assemblies

Professional Applications & Engineering Value

This split lock washer delivers critical vibration-resistant performance in demanding industrial environments where fastener loosening can compromise system integrity. The 18-8 stainless steel construction provides exceptional corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor conditions. Engineered specifically for No. 4 screw size applications, the washer's split design creates continuous spring tension that counters vibrational forces in machinery, electrical enclosures, and precision equipment. The standard split lock washer type ensures reliable performance across automotive, aerospace, and manufacturing sectors where consistent locking action is essential for safety and operational reliability. With its inch system measurements, this component integrates seamlessly into both legacy and modern assembly systems requiring dependable vibration protection.

Specification Summary & Compliance

This split lock washer meets ASME B18.21.1 dimensional and performance standards, ensuring precise fit and function with No. 4 screws. The component features 0.12" internal diameter, 0.209" outer diameter, and 0.025" thickness with Rockwell C35 hardness for optimal spring characteristics. Manufacturing compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making it suitable for global industrial applications with strict environmental requirements. The inch system measurements provide compatibility with standard imperial fastener systems while maintaining the quality and reliability expected in professional industrial settings.