S-91235A217 0.773" ID x 1.75" OD Heavy-Vibration-Resistant Spring Lock Washers

Key Features & Benefits at a Glance

• Exceptional Corrosion Resistance: Crafted from 18-8 Stainless Steel to withstand harsh industrial environments, ensuring long-term reliability and reduced maintenance costs.
• Superior Locking Performance: The spring lock design provides consistent tension and vibration resistance, preventing loosening in high-stress applications for enhanced safety.
• Optimized Fit for 3/4" Screws: With a precise 0.773" inner diameter, this washer ensures a secure and accurate fit, minimizing assembly errors and improving efficiency.
• High Durability Under Load: A Rockwell C38 hardness rating offers excellent mechanical strength, resisting deformation and extending service life in heavy-duty use.
• Reliable Dimensional Consistency: Tight thickness (0.130-0.140") and overall height (0.195") tolerances guarantee uniform performance and ease of installation across batches.
• Compliance with Global Standards: Meets RoHS 3 and REACH regulations, making it suitable for international supply chains and environmentally sensitive projects.
• Versatile Industrial Application: Designed for inch-system fastening, it supports a wide range of machinery, automotive, and construction assemblies requiring robust locking solutions.

Professional Applications & Engineering Value

This spring lock washer is engineered to address common challenges in industrial settings, such as vibration-induced fastener failure and corrosion degradation. Made from 18-8 stainless steel, it provides excellent resistance to rust and chemical exposure, ideal for outdoor equipment, marine applications, and chemical processing plants. The spring lock design maintains constant pressure, effectively countering loosening in dynamic loads, which is critical for machinery safety and reduced downtime. With a 0.773" ID and 1.75" OD, it ensures precise compatibility with 3/4" screws, streamlining assembly in construction, automotive, and heavy machinery. Its Rockwell C38 hardness further enhances durability, making it a reliable choice for high-stress environments where long-term performance is essential.

Specification Summary & Compliance

This washer features an inner diameter of 0.773", outer diameter of 1.75", thickness range of 0.130-0.140", and overall height of 0.195", designed for use with 3/4" screws in inch measurement systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications. The material and construction adhere to standard industrial specifications for dimensional accuracy and performance reliability.