S-92471A160 4.3 mm ID x 9 mm OD DIN 6796 Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Exceptional vibration resistance due to the conical spring design, ensuring reliable locking performance in high-stress environments.
• Superior corrosion resistance from 17-7 PH stainless steel, ideal for harsh industrial or outdoor applications.
• Consistent spring tension and durability with Rockwell C38 hardness, maintaining clamping force over repeated use.
• Precise fit for M4 screws with 4.3 mm inner diameter, reducing installation errors and improving assembly efficiency.
• Compliance with DIN 6796 standards guarantees dimensional accuracy and interchangeability in metric systems.
• Environmental and safety compliance with RoHS 3 and REACH regulations, supporting sustainable and safe manufacturing practices.
• Compact and lightweight design (1 mm thickness, 1.3 mm height) for space-constrained applications without sacrificing performance.

Professional Applications & Engineering Value

This M4 spring lock washer made from 17-7 PH stainless steel addresses critical engineering challenges in industries where vibration loosening and corrosion can compromise assembly integrity. The conical shape provides dynamic spring action that maintains tension under variable loads, preventing fastener failure in machinery, automotive, and electrical enclosures. Its metric dimensions and adherence to DIN 6796 ensure seamless integration with standard M4 fasteners, while the high-strength material resists deformation and environmental degradation. Ideal for industrial applications requiring long-term reliability, this washer reduces maintenance needs and enhances safety in vibration-resistant locking systems.

Specification Summary & Compliance

This washer features precise metric dimensions: 4.3 mm ID, 9 mm OD, 1 mm thickness, and 1.3 mm overall height, designed for M4 screw sizes. It conforms to DIN 6796 for dimensional and performance standards, with a hardness of Rockwell C38 ensuring consistent spring properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and regulatory requirements in global supply chains.