S-91169A311 2.3 mm ID x 4.6 mm OD DIN 6905 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through curved spring design that maintains constant tension under dynamic loads
• Enhanced locking security with precisely engineered split configuration that prevents fastener loosening
• Exceptional durability from Rockwell C44 hardened steel construction that withstands repeated compression cycles
• Precise dimensional compatibility with 2.3mm ID and 4.6mm OD ensuring perfect fit for M2.5 fasteners
• Reliable performance standardization through DIN 6905 compliance for consistent quality across applications
• Environmental compliance assurance with RoHS 3 and REACH compliance for global industrial use
• Optimized space utilization with compact 1.1mm overall height design for confined assembly areas

Professional Applications & Engineering Value

This M2.5 metric split lock washer delivers critical engineering value in applications where vibration-induced fastener failure poses significant operational risks. The curved spring design creates continuous radial pressure that compensates for thermal expansion and mechanical settling, effectively preventing spontaneous loosening in industrial machinery, automotive assemblies, and precision equipment. Manufactured from Rockwell C44 hardened steel, this washer maintains its spring properties through extreme compression cycles, ensuring long-term reliability in high-stress environments. The DIN 6905 standard guarantees dimensional precision and performance consistency, while the split lock configuration provides immediate visual confirmation of proper installation. This combination of features makes it an essential component for maintenance engineers and OEM designers seeking to eliminate downtime caused by fastener failure in critical assemblies.

Specification Summary & Compliance

This M2.5 split lock washer features precise metric dimensions with 2.3mm internal diameter, 4.6mm outer diameter, and 0.6mm thickness. Manufactured to DIN 6905 specifications, it ensures dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental standards for industrial components. The Rockwell C44 hardness rating confirms the material's ability to maintain spring properties under repeated loading, while the curved split design provides consistent locking performance across temperature variations and vibration conditions.