S-90464A260 2.791" ID x 3.828" OD ANSI/ABMA 8.2 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance with external tooth design that bites into mating surfaces to prevent loosening under dynamic loads
• Exceptional corrosion resistance provided by stainless steel construction for long-term reliability in harsh industrial environments
• Precision dimensional compatibility with 2.751"-18 screws and chamfered bearing nuts for seamless integration into existing assemblies
• Optimized load distribution through conical spring shape that maintains consistent tension and compensates for thermal expansion/contraction
• Industry-standard compliance with ANSI/ABMA 8.2 specifications ensuring consistent performance and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance for global market acceptance and safety
• Robust mechanical performance from precisely engineered dimensions (2.791" ID × 3.828" OD × 0.256" height) for demanding applications

Professional Applications & Engineering Value

This stainless steel spring lock washer delivers critical engineering solutions for industrial applications where vibration-induced fastener failure poses significant operational risks. The external tooth configuration creates multiple biting points that aggressively grip both the bearing surface and fastener head, effectively resisting rotational forces in high-vibration environments like heavy machinery, automotive assemblies, and power transmission systems. The conical spring shape provides consistent spring tension that maintains clamping force despite material relaxation or thermal cycling, while the chamfered bearing nut compatibility ensures proper seating and load distribution. Manufactured to ANSI/ABMA 8.2 standards, this washer offers reliable performance in critical fastening applications where precision and durability are paramount.

Specification Summary & Compliance

This precision spring lock washer features exact dimensional specifications including 2.791" inner diameter, 3.828" outer diameter, and 0.256" overall height with external tooth placement. The component is engineered for compatibility with 2.751"-18 screw sizes and chamfered bearing nut face styles. Manufacturing and performance comply with ANSI/ABMA 8.2 specifications for dimensional accuracy and functional requirements. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) adherence, ensuring suitability for regulated industrial markets and applications requiring certified material safety.