S-92146A621 0.26" ID x 0.487" OD ASME B18.21.1 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance due to the split lock design, preventing fastener loosening in high-stress environments
• Excellent corrosion protection from Black-Oxide 18-8 Stainless Steel, ideal for humid or corrosive industrial settings
• Reliable hardness performance with Rockwell C35 rating, ensuring long-term durability under repeated loads
• Precise dimensional fit for 1/4" screws with 0.26" ID and 0.487" OD, minimizing installation errors
• Compliance with industry standards including ASME B18.21.1, guaranteeing interchangeability and quality
• Environmental and workplace safety through RoHS 3 and REACH compliance, free from hazardous substances
• Optimized thickness (0.062") for effective spring action without compromising space constraints

Professional Applications & Engineering Value

This split lock washer in Black-Oxide 18-8 Stainless Steel addresses critical challenges in machinery, automotive, and structural assemblies where vibration-induced loosening can lead to equipment failure. The split lock design applies continuous radial pressure, maintaining clamp load integrity in dynamic conditions. Its corrosion-resistant properties make it suitable for outdoor, marine, or chemical-exposed applications, reducing maintenance frequency. With precise dimensions for 1/4" screw sizes and adherence to ASME B18.21.1, it ensures reliable performance in heavy-duty lock washer roles, enhancing safety and operational lifespan in industrial fastening systems.

Specification Summary & Compliance

This washer meets dimensional standards with 0.26" ID, 0.487" OD, and 0.062" thickness for 1/4" screw sizes in the inch system. It conforms to ASME B18.21.1 for split lock washers and demonstrates compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.