S-90464A330 3.988" ID x 5.5" OD ANSI/ABMA 8.2 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Superior locking performance with conical spring design that maintains constant tension and prevents loosening under vibration and dynamic loads
• Exceptional corrosion resistance provided by stainless steel construction, ensuring long-term reliability in harsh industrial environments
• Optimized external tooth configuration that bites into mating surfaces for maximum grip and secure fastening of 3.918"-12 screws
• Precision dimensional compatibility with 5.5" OD and 3.988" ID for perfect fit with bearing nuts featuring chamfered face styles
• Industry-standard compliance with ANSI/ABMA 8.2 specifications, guaranteeing consistent quality and performance in demanding applications
• Environmental regulation adherence through RoHS 3 and REACH compliance, making them suitable for global industrial supply chains
• Enhanced installation efficiency with 0.344" overall height and 0.100" thickness for straightforward assembly in confined spaces

Professional Applications & Engineering Value

This stainless steel spring lock washer delivers critical engineering solutions for industrial applications where vibration-induced loosening poses significant reliability concerns. The conical washer design generates continuous spring force that compensates for settlement and thermal expansion, while the external tooth location provides aggressive biting action into both the bearing nut and workpiece surface. Manufactured to ANSI/ABMA 8.2 standards, these washers are particularly valuable in heavy machinery, automotive assemblies, and industrial equipment where chamfered face bearing nuts require secure fastening. The stainless steel material ensures corrosion resistance in demanding environments, while the precise dimensional specifications (5.5" OD, 3.988" ID) guarantee proper fitment and optimal load distribution.

Specification Summary & Compliance

This spring lock washer features dimensional specifications including 5.5" OD, 3.988" ID, 0.100" thickness, and 0.344" overall height, engineered for compatibility with 3.918"-12 screw sizes. The product conforms to ANSI/ABMA 8.2 manufacturing standards and incorporates external tooth design with chamfered face compatibility. Regulatory compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, ensuring suitability for international industrial applications.