S-91475A194 1.254" ID x 2.036" OD ASME B18.21.1; MS35338-150 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through split lock design prevents fastener loosening in high-stress applications
• Exceptional corrosion resistance with passivated 18-8 stainless steel construction for long-term reliability in harsh environments
• Precision dimensional fit with 1.254" ID specifically engineered for 1 1/4" screws ensures proper installation and performance
• Enhanced durability with Rockwell C35 hardness maintains structural integrity under repeated loading cycles
• Industry-standard compliance meeting ASME B18.21.1 and MS35338-150 specifications guarantees consistent quality and performance
• Environmental regulation compliance with RoHS 3 and REACH ensures safe use across global industrial markets
• Optimized load distribution with 2.036" OD providing superior surface contact and pressure distribution

Professional Applications & Engineering Value

This split lock washer delivers critical vibration-resistant performance in demanding industrial applications where fastener security is paramount. The passivated 18-8 stainless steel construction provides exceptional corrosion resistance, making it ideal for chemical processing, marine environments, and outdoor equipment where moisture and corrosive elements are concerns. The precise 1.254" ID ensures perfect compatibility with 1 1/4" screws, eliminating installation issues and maintaining consistent clamping force. Engineering teams specify this washer for heavy machinery, structural assemblies, and vibration-prone equipment where the split lock design actively counters rotational forces that cause conventional fasteners to loosen over time. The combination of material strength and geometric precision addresses the fundamental challenge of maintaining joint integrity in dynamic loading conditions.

Specification Summary & Compliance

This split lock washer features precise dimensional specifications with 1.254" inner diameter, 2.036" outer diameter, and 0.312" thickness, manufactured to exacting ASME B18.21.1 and MS35338-150 standards. The component maintains Rockwell C35 hardness for consistent mechanical performance and is constructed from passivated 18-8 stainless steel. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and global market acceptance, while the inch measurement system provides compatibility with North American industrial specifications.