S-97471A120 4.3 mm ID x 14 mm OD DIN 432 Tab Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with the tab lock design that prevents loosening under dynamic loads, ensuring long-term joint integrity.
• Excellent corrosion resistance due to 316 stainless steel construction, ideal for harsh environments like marine or chemical processing.
• Precise metric sizing with 4.3mm ID and 14mm OD for perfect fit with M4 screws, reducing installation errors and improving assembly efficiency.
• Reliable anti-rotation performance through the integrated tab that locks into place, providing consistent security against rotational movement.
• Compliance with DIN 432 standard ensures interchangeability and consistent quality in industrial applications.
• Environmentally safe operation with RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances.
• Lightweight and durable at 0.4mm thickness and 2mm overall height, offering strength without adding bulk to assemblies.

Professional Applications & Engineering Value

This M4 DIN 432 tab lock washer is engineered to address critical issues in high-vibration and corrosive environments. Made from 316 stainless steel, it provides exceptional resistance to oxidation and chemical exposure, making it suitable for industries like automotive, aerospace, and marine engineering. The tab lock mechanism securely fastens components by preventing rotation, which is essential in machinery subject to constant motion or thermal cycling. By adhering to the DIN 432 standard, this washer ensures precise dimensions and reliable performance, reducing maintenance needs and downtime. Its metric sizing and anti-vibration properties make it a trusted solution for securing M4 screws in assemblies where safety and longevity are paramount, ultimately enhancing operational efficiency and reducing failure risks.

Specification Summary & Compliance

This washer meets DIN 432 specifications for dimensional accuracy, including an inner diameter of 4.3mm, outer diameter of 14mm, thickness of 0.4mm, and overall height of 2mm. It is designed for use with M4 screw sizes and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial applications.