S-90391A155 0.801" ID x 1.531" OD ANSI/ABMA 8.2 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the conical spring lock design, ensuring long-term fastener security in high-stress environments
• Enhanced locking performance with external tooth configuration that bites into mating surfaces, preventing loosening under dynamic loads
• Precision dimensional compatibility with 0.781"-32 screws and chamfered bearing nut face style for seamless integration into existing assemblies
• Durable steel construction provides reliable strength and corrosion resistance for extended service life in industrial applications
• Industry-standard compliance with ANSI/ABMA 8.2 specifications ensures consistent quality and interchangeability
• Optimized load distribution through precise 0.801" ID and 1.531" OD dimensions, reducing surface damage and improving joint integrity
• Environmental regulation compliance with RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This spring lock washer with external tooth design and conical shape delivers exceptional engineering value by solving critical vibration-induced loosening problems in industrial machinery and equipment. The steel construction provides the necessary spring tension and durability to maintain clamping force under cyclic loading conditions. The external tooth configuration creates positive locking action by embedding into both the nut and workpiece surfaces, making it ideal for applications involving 0.781"-32 screws with chamfered bearing nut face style. This design is particularly valuable in automotive assemblies, heavy equipment, and precision machinery where vibration resistance and reliable fastening are paramount for operational safety and reduced maintenance intervals.

Specification Summary & Compliance

This spring lock washer features precise dimensional specifications including 0.801" ID, 1.531" OD, and 0.203" overall height with external tooth placement. Manufactured to ANSI/ABMA 8.2 standards for dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while meeting international quality and safety requirements.