S-91525A416 0.281" ID x 0.75" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Exceptional load distribution with precise 0.281" ID and 0.75" OD dimensions, preventing surface damage and maintaining joint integrity
• Consistent performance under stress with Rockwell B68 hardness, ensuring reliable performance in high-pressure assemblies
• Guaranteed dimensional accuracy with 0.060-0.090" thickness range, providing uniform spacing and vibration resistance
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in global markets and sensitive industries
• Optimized for 1/4" screw applications with perfect fit, reducing installation time and improving assembly efficiency
• Long-term durability with inch system precision, minimizing replacement frequency and maintenance costs

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 316 stainless steel flat washers provide critical protection against galvanic corrosion and chemical exposure, making them indispensable in marine equipment, chemical processing plants, and coastal infrastructure. The precise 1/4" screw compatibility and flat design ensure even load distribution across fastened surfaces, preventing bolt loosening and material deformation under dynamic loads. With their Rockwell B68 hardness and controlled thickness tolerance, these washers maintain structural integrity in high-vibration applications like machinery assemblies and transportation systems. Their corrosion-resistant properties significantly extend service life in humid or saline conditions, reducing downtime and replacement costs while supporting sustainable operations through RoHS and REACH compliance.

Specification Summary & Compliance

This flat washer meets inch system dimensional standards with 0.281" inner diameter, 0.75" outer diameter, and 0.060-0.090" thickness range for precise fitment. Manufactured from 316 stainless steel with Rockwell B68 hardness rating, it ensures consistent mechanical performance. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, containing no restricted substances and meeting current SVHC requirements as of June 2023.