S-91114A036 0.768" ID x 1.26" OD ASME B18.21.1 External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with external teeth that bite into mating surfaces to prevent loosening under dynamic loads
• Enhanced durability and corrosion protection through zinc-plated steel construction for extended service life in demanding environments
• Precision dimensional fit with 0.768" ID and 1.26" OD ensuring perfect alignment with 3/4" fasteners
• Exceptional mechanical strength provided by Rockwell C40 hardness rating for reliable performance under high stress
• Industry-standard compliance with ASME B18.21.1 specifications for guaranteed quality and interchangeability
• Environmental responsibility with full RoHS 3 and REACH compliance for safe use in regulated applications
• Optimized tooth engagement through external tooth location design for maximum locking effectiveness

Professional Applications & Engineering Value

This external tooth lock washer delivers critical vibration-resistant performance for industrial applications where fastener security is paramount. Engineered from zinc-plated steel, it provides both corrosion protection and reliable locking action through its external teeth that dig into mating surfaces. The Rockwell C40 hardness ensures the teeth maintain their bite under repeated stress cycles, making it ideal for heavy machinery, automotive assemblies, and structural applications using 3/4" screws. The precise dimensional control (0.768" ID, 1.26" OD) guarantees proper fitment while the ASME B18.21.1 compliance ensures engineering consistency across industrial maintenance and manufacturing operations where vibration-induced loosening poses significant safety and operational risks.

Specification Summary & Compliance

This tooth lock washer features inch system dimensions with 0.768" internal diameter, 1.26" outer diameter, and thickness ranging 0.047-0.055". Manufactured to ASME B18.21.1 specifications with external tooth location configuration. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory adherence for industrial applications worldwide.