S-91102A056 1.408" ID x 2.219" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through the split lock design that maintains consistent tension and prevents fastener loosening in high-stress applications
• Enhanced corrosion protection with zinc-plated steel construction, extending service life in demanding industrial environments
• Precision dimensional compatibility with 1.408" ID and 2.219" OD engineered for perfect fit with 1 3/8" screws
• Exceptional mechanical durability achieved through Rockwell C38 hardness rating, resisting deformation under heavy loads
• Reliable performance standardization through ASME B18.21.1 compliance, ensuring consistent quality and interchangeability
• Environmental regulation compliance with RoHS 3 and REACH standards, making them suitable for global industrial supply chains
• Optimal load distribution with 0.344" thickness providing substantial bearing surface for secure fastening applications

Professional Applications & Engineering Value

This heavy-duty split lock washer delivers critical engineering solutions for industrial applications where vibration resistance is paramount. The zinc-plated steel construction provides essential corrosion protection while maintaining the mechanical properties needed for demanding environments. Engineered to ASME B18.21.1 standards, these washers offer reliable performance in machinery assembly, structural steel connections, and heavy equipment manufacturing. The split lock washer design creates continuous spring tension that counters rotational forces and thermal cycling effects, preventing catastrophic fastener failure in critical applications. With precise dimensions (1.408" ID, 2.219" OD) specifically designed for 1 3/8" screw applications, these washers ensure proper fit and function in industrial fastening systems where safety and reliability are non-negotiable.

Specification Summary & Compliance

This split lock washer features precise dimensional specifications with 1.408" internal diameter, 2.219" outer diameter, and 0.344" thickness, engineered for compatibility with 1 3/8" screw applications. Manufactured to ASME B18.21.1 standards with Rockwell C38 hardness for consistent mechanical performance. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide. Standard split lock washer type construction provides reliable performance across various industrial fastening requirements.