S-90464A250 2.588" ID x 3.578" OD ANSI/ABMA 8.2 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through external tooth design and conical spring shape, maintaining bolt tension under dynamic loads
• Exceptional corrosion resistance with stainless steel construction for long-term reliability in harsh industrial environments
• Precision dimensional compatibility with 2.548"-18 screw sizes and chamfered bearing nuts for seamless installation
• Enhanced load distribution through conical spring design that compensates for thermal expansion and material relaxation
• Industry-standard compliance with ANSI/ABMA 8.2 specifications ensuring consistent performance and interchangeability
• Environmental responsibility with full RoHS 3 and REACH compliance for global manufacturing applications
• Optimized torque transmission through external tooth engagement that prevents rotational loosening in high-vibration applications

Professional Applications & Engineering Value

This stainless steel spring lock washer delivers critical vibration resistance in demanding industrial applications where fastener integrity is paramount. The conical spring shape and external tooth design work synergistically to maintain constant preload force, effectively countering the effects of thermal cycling, mechanical vibration, and dynamic loading common in heavy machinery, automotive assemblies, and industrial equipment. Engineered specifically for 2.548"-18 screw sizes and chamfered bearing nuts, this washer provides reliable performance in high-stress environments where conventional flat washers fail. The ANSI/ABMA 8.2 compliance ensures dimensional precision and mechanical properties that meet rigorous industrial standards, making it ideal for OEM manufacturing, maintenance operations, and equipment rebuilds where fastener reliability directly impacts operational safety and equipment longevity.

Specification Summary & Compliance

This precision-engineered spring lock washer features critical dimensions of 2.588" inner diameter and 3.578" outer diameter with 0.256" overall height, manufactured to ANSI/ABMA 8.2 specifications for dimensional accuracy and performance reliability. The external tooth configuration and conical spring design provide optimal locking action for 2.548"-18 screw applications with chamfered bearing nut compatibility. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications while meeting stringent material safety standards.