S-90407A128 40 mm ID x 62 mm OD DIN 462 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance maintains tight fastening in high-stress environments, preventing loosening under dynamic loads
• Precision DIN 462 compliance ensures consistent dimensional accuracy and reliable performance in industrial applications
• Stepped bearing nut compatibility (DIN 1804) provides secure seating and even load distribution for enhanced joint integrity
• Conical spring design creates continuous tension that compensates for thermal expansion and material relaxation
• Metric steel construction offers excellent strength and durability for demanding mechanical assemblies
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance
• Optimized dimensions (40mm ID/62mm OD) provide perfect fit for M40 fasteners while maximizing contact surface area

Professional Applications & Engineering Value

This M40 spring lock washer delivers critical engineering value in applications where vibration-induced loosening compromises safety and performance. The conical shape and spring steel material work synergistically to maintain constant axial pressure, effectively solving the common industrial problem of fastener relaxation in machinery, heavy equipment, and structural assemblies. Engineered to DIN 462 standards with precise 40mm inner diameter and 62mm outer diameter dimensions, this washer provides reliable locking performance while its stepped bearing nut face style (compatible with DIN 1804) ensures optimal load transfer. The combination of metric sizing and robust steel construction makes it ideal for European machinery, automotive subsystems, and industrial equipment requiring certified vibration-resistant fastening solutions.

Specification Summary & Compliance

This spring lock washer features precise metric dimensions with 40mm inner diameter, 62mm outer diameter, and 1.2mm thickness, manufactured to DIN 462 specifications for dimensional accuracy and performance reliability. The washer is compatible with M40 screw sizes and designed for use with stepped bearing nuts meeting DIN 1804. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and unrestricted use in industrial applications across regulated markets.