S-93419A112 0.897" ID x 1.41" OD ASME B18.21.1 External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress applications
• 410 Stainless Steel construction provides excellent corrosion resistance and durability
• Rockwell C34 hardness ensures long-lasting performance under heavy loads
• External tooth design delivers maximum locking force and secure fastening
• ASME B18.21.1 compliance guarantees precise dimensional accuracy and reliability
• RoHS 3 & REACH compliance meets strict environmental regulations for industrial use
• Optimized dimensions (0.897" ID, 1.41" OD) ensure perfect fit for 7/8" fasteners

Professional Applications & Engineering Value

This 7/8" tooth lock washer addresses critical vibration-induced loosening in demanding industrial environments. Manufactured from 410 Stainless Steel with Rockwell C34 hardness, it maintains structural integrity under extreme mechanical stress and corrosive conditions. The external tooth configuration bites securely into both mating surfaces, creating a permanent locking action that outperforms standard flat washers. Ideal for heavy machinery, automotive assemblies, and structural applications where vibration resistance is paramount. The precise inch system measurements and ASME B18.21.1 compliance ensure consistent performance across industrial fastener systems, reducing maintenance costs and equipment downtime.

Specification Summary & Compliance

This external tooth lock washer features precise dimensional specifications: 0.897" inner diameter, 1.41" outer diameter, and 0.052-0.060" thickness, engineered for 7/8" screw size applications. Manufactured in compliance with ASME B18.21.1 standards for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use across various industrial sectors.