S-91525A452 0.125" ID x 0.75" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Precise dimensional fit with 0.125" inner diameter and 0.75" outer diameter ensures reliable performance with No. 4 screws, reducing installation errors
• Optimal load distribution across a wider surface area minimizes surface damage and prevents fastener loosening under vibration
• Consistent thickness control between 0.039" and 0.052" provides uniform clamping force and improves joint integrity
• Full regulatory compliance with RoHS 3 and REACH standards ensures safe use in regulated industries and global market acceptance
• Durable material performance maintains washer integrity in high-moisture and corrosive conditions, extending service life
• Inch-system compatibility simplifies sourcing and replacement in North American industrial supply chains

Professional Applications & Engineering Value

Engineered for demanding applications, these 316 stainless steel flat washers provide critical protection against galvanic corrosion and chemical degradation in industrial settings. The inch-system dimensions with precise 0.125" ID and 0.75" OD ensure perfect compatibility with No. 4 screw fasteners, eliminating misfit issues during assembly. In marine equipment, chemical processing plants, and food processing machinery where moisture and corrosive agents are present, the flat washer design distributes clamping force evenly, preventing surface indentation and maintaining seal integrity. The controlled 0.039-0.052" thickness guarantees consistent performance across production runs, while the corrosion-resistant properties significantly reduce maintenance frequency and replacement costs in critical installations.

Specification Summary & Compliance

This flat washer features inch-system dimensions with 0.125" inner diameter, 0.75" outer diameter, and 0.039-0.052" thickness range specifically designed for No. 4 screw applications. Manufactured from 316 stainless steel for optimal corrosion resistance, the product maintains dimensional accuracy suitable for standard industrial tolerances. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for hazardous substance restrictions.