S-91475A369 1.254" ID x 2.036" OD ASME B18.21.1; MS35338-55 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with split lock design that maintains constant spring tension to prevent fastener loosening under dynamic loads
• Exceptional corrosion protection through zinc yellow-chromate plating that withstands harsh industrial environments
• Optimized dimensional compatibility with precise 1.254" ID and 2.036" OD designed specifically for 1 1/4" screw applications
• Enhanced mechanical durability with Rockwell C38 hardness rating that resists deformation under high clamping forces
• Reliable performance assurance through compliance with ASME B18.21.1 and MS35338-55 industrial standards
• Heavy-duty construction with 0.312" thickness providing robust support for demanding mechanical assemblies
• Industry-standard compatibility with inch measurement system for seamless integration into existing industrial equipment

Professional Applications & Engineering Value

This split lock washer delivers critical vibration resistance in high-stress industrial applications where fastener security is paramount. Engineered from zinc yellow-chromate plated steel, it provides dual protection against both corrosion and mechanical failure, making it ideal for heavy machinery, automotive assemblies, and construction equipment. The standard split lock design creates continuous spring tension that compensates for thermal expansion, vibration-induced loosening, and material settling - common challenges in dynamic industrial environments. With its Rockwell C38 hardness and precise dimensional specifications, this washer maintains clamping force integrity even under extreme operational stresses, reducing maintenance frequency and preventing costly downtime in critical industrial applications.

Specification Summary & Compliance

This heavy-duty split lock washer features precise inch-dimension specifications with 1.254" inner diameter, 2.036" outer diameter, and 0.312" thickness, engineered for compatibility with 1 1/4" screw applications. Manufactured to meet ASME B18.21.1 and MS35338-55 specifications, ensuring dimensional accuracy and performance reliability. The component maintains Rockwell C38 hardness for consistent mechanical properties and is finished with zinc yellow-chromate plating for corrosion resistance. Compliant with industry standards for industrial washers and suitable for applications requiring reliable vibration resistance in demanding operational conditions.