S-91475A040 0.753" ID x 1.265" OD ASME B18.21.1; MS35338-146 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress industrial environments
• Excellent corrosion resistance from passivated 18-8 stainless steel construction for long-term reliability
• Optimized spring action with Rockwell C35 hardness maintains consistent locking force under load
• Precision dimensional compliance with 0.753" ID ensures perfect fit for 3/4" fasteners
• Rigorous quality assurance through ASME B18.21.1 and MS35338-146 standard compliance
• Environmental responsibility with full RoHS 3 and REACH compliance for sustainable operations
• Heavy-duty thickness of 0.188" provides enhanced durability in demanding applications

Professional Applications & Engineering Value

This split lock washer delivers critical vibration-resistant performance in industrial machinery, automotive assemblies, and heavy equipment where constant motion threatens fastener integrity. The passivated 18-8 stainless steel construction provides exceptional corrosion resistance in harsh environments, while the standard split lock design creates reliable spring tension that compensates for thermal expansion and vibration-induced loosening. Engineered to ASME B18.21.1 specifications with precise 0.753" inner diameter compatibility for 3/4" screws, this washer maintains clamping force in high-cycle applications, reducing maintenance frequency and preventing costly downtime in manufacturing and processing operations.

Specification Summary & Compliance

Manufactured to exact ASME B18.21.1 dimensional standards and MS35338-146 military specifications with precise inch system measurements (0.753" ID × 1.265" OD × 0.188" thickness). Features Rockwell C35 hardness for optimal spring performance and full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.