S-91101A237 0.894" ID x 1.459" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-stress industrial environments
• Heavy-duty steel construction with Rockwell C38 hardness ensures exceptional durability and load-bearing capacity
• Precision-engineered dimensions (0.894" ID, 1.459" OD) provide perfect fit for 7/8" screw applications
• ASME B18.21.1 compliance guarantees consistent quality and reliable performance in mechanical assemblies
• Split lock design creates continuous spring tension that maintains clamping force under vibration
• RoHS 3 and REACH compliant for safe use in regulated industries and international markets
• Standard inch system compatibility ensures seamless integration with existing equipment and tooling

Professional Applications & Engineering Value

This steel split lock washer delivers critical vibration damping in demanding industrial applications where fastener security is paramount. The split lock washer type design creates continuous spring action that compensates for thermal expansion, material settling, and dynamic loads. Engineered with Rockwell C38 hardness, it maintains its structural integrity under repeated stress cycles, preventing the costly downtime associated with fastener failure. The precisely calibrated 0.894" ID and 1.459" OD dimensions ensure optimal contact distribution for 7/8" fasteners in heavy machinery, construction equipment, and manufacturing systems. By meeting ASME B18.21.1 specifications, this washer provides reliable performance in automotive assemblies, industrial pumps, and power transmission systems where vibration resistance directly impacts operational safety and equipment longevity.

Specification Summary & Compliance

This split lock washer features precise dimensional specifications including 0.894" inner diameter, 1.459" outer diameter, and 0.219" thickness, engineered for 7/8" screw applications. Manufactured to ASME B18.21.1 standards with Rockwell C38 hardness certification, it ensures consistent performance in inch-system applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components as of January 17, 2023, including 233 SVHC substances.