S-95395A250 0.531" ID x 1.125" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from brass material, ideal for harsh industrial environments and outdoor applications
• Precise dimensional fit with 0.531" ID specifically engineered for 1/2" screw sizes, ensuring secure fastening
• Enhanced load distribution with 1.125" OD design, minimizing surface pressure and preventing material damage
• Consistent mechanical performance with Rockwell B60 hardness rating, maintaining structural integrity under stress
• Regulatory compliance assurance with RoHS 3 and REACH certifications, meeting international environmental standards
• Durable copper alloy construction providing excellent electrical conductivity and non-sparking properties
• Reliable thickness tolerance (0.105-0.130") ensuring uniform performance across production batches

Professional Applications & Engineering Value

This brass flat washer delivers exceptional engineering value in demanding applications where corrosion resistance and electrical conductivity are critical. The copper alloy construction with Rockwell B60 hardness provides optimal strength-to-weight ratio, making it ideal for electrical panels, marine equipment, and plumbing systems where galvanic corrosion must be prevented. The precise 0.531" inner diameter ensures perfect alignment with 1/2" fasteners, eliminating play and maintaining consistent clamping force. In industrial settings, the 1.125" outer diameter effectively distributes load across softer materials, preventing surface deformation while the brass material offers non-magnetic properties essential for sensitive electronic applications. These washers solve common engineering challenges by combining regulatory compliance with mechanical excellence.

Specification Summary & Compliance

This inch system flat washer features precise dimensional specifications including 0.531" ID, 1.125" OD, and thickness range of 0.105-0.130". Manufactured to industry standards for 1/2" screw applications with consistent Rockwell B60 hardness. The product is fully RoHS 3 (2015/863/EU) compliant under exemption 6(c) for lead in copper alloys and REACH (EC 1907/2006) compliant with 233 SVHC substances monitored as of 01/17/2023. All manufacturing processes adhere to standard industrial tolerances for flat washers in inch measurement systems.