S-91475A346 0.878" ID x 1.459" OD ASME B18.21.1; MS35338-52 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress industrial environments
• Zinc yellow-chromate plating provides excellent corrosion protection for extended service life
• Rockwell C38 hardness ensures consistent spring tension and reliable locking performance
• Precision-engineered dimensions (0.878" ID, 1.459" OD) guarantee proper fit for 7/8" fasteners
• ASME B18.21.1 compliance delivers certified quality and interoperability with standard components
• 0.219" thickness provides optimal spring force without compromising installation space
• Military specification MS35338-52 compliance meets rigorous standards for critical applications

Professional Applications & Engineering Value

This 7/8" split lock washer addresses critical vibration-induced loosening in heavy machinery, construction equipment, and industrial assemblies. The zinc yellow-chromate plated steel construction combines corrosion resistance with the mechanical strength needed for demanding environments. The split design creates continuous spring tension that compensates for thermal expansion and vibration, maintaining bolt preload in dynamic applications. Engineered to ASME B18.21.1 standards, this standard split lock washer ensures reliable performance in automotive, manufacturing, and structural applications where fastener security is paramount. The Rockwell C38 hardness provides consistent elastic recovery, delivering repeated locking effectiveness through multiple installation cycles.

Specification Summary & Compliance

This split lock washer features precise dimensional specifications: 0.878" inner diameter, 1.459" outer diameter, and 0.219" thickness, engineered for 7/8" screw applications. Manufactured to ASME B18.21.1 and MS35338-52 specifications, ensuring dimensional accuracy and performance reliability. The zinc yellow-chromate plated steel construction meets industry standards for corrosion protection, while the Rockwell C38 hardness guarantees consistent mechanical properties. Compliant with relevant industrial standards for mechanical fasteners in inch measurement systems.