S-90391A116 25 mm ID x 42 mm OD DIN 5406 Spring Lock Washers for Slotted Bearing Nuts
Spring Lock Washers for Slotted Bearing Nuts
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance ensures long-term joint integrity in high-stress environments, preventing fastener loosening.
- External teeth design provides maximum bite and grip on mating surfaces, enhancing connection security.
- Conical spring shape delivers consistent spring action and load distribution for reliable performance under dynamic loads.
- Precision-engineered to DIN 5406 guarantees dimensional accuracy and interchangeability for M25 screw applications.
- Chamfered bearing nut compatibility (DIN 981) allows for easy installation and a secure fit with standard components.
- Robust steel construction offers excellent durability and corrosion resistance for extended service life.
- Full RoHS 3 & REACH compliance meets stringent environmental regulations, ensuring safe use in global industrial markets.
Professional Applications & Engineering Value
This M25 metric spring lock washer is engineered to solve critical challenges in machinery, automotive, and heavy equipment assembly where vibration-induced loosening compromises safety and performance. The conical design and external teeth work synergistically to maintain clamping force, preventing back-off in dynamic load conditions. Manufactured from high-grade steel, it withstands repetitive stress and environmental exposure. Its compliance with DIN 5406 ensures precise fit with M25 screws and chamfered bearing nuts (DIN 981), making it a reliable choice for industrial fastening systems that demand zero tolerance for failure.
Specification Summary & Compliance
This washer features an ID of 25 mm, OD of 42 mm, and thickness of 1.250 mm, manufactured to DIN 5406 standards for dimensional precision. It is designed for use with M25 screw sizes and chamfered bearing nuts per DIN 981. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications.
