S-95395A330 0.406" ID x 1" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ideal for humid or chemically aggressive environments
• Excellent load distribution with precise 1" OD and 0.406" ID, preventing surface damage and loosening under 3/8" screw loads
• Enhanced durability with Rockwell B60 hardness, maintaining structural integrity under repeated tightening
• Reliable chemical compatibility for industrial applications involving oils, water, and mild chemicals
• Strict regulatory compliance with RoHS 3 (exemption 6c) and REACH standards, ensuring safe global sourcing
• Consistent dimensional accuracy with 0.167-0.193" thickness range, providing uniform sealing and spacing
• Long-term cost efficiency through brass's natural anti-galling properties, reducing maintenance and replacement needs

Professional Applications & Engineering Value

This brass flat washer delivers critical engineering solutions where corrosion resistance and electrical conductivity are paramount. The copper alloy construction prevents rust formation in marine, plumbing, and electrical assemblies, while the Rockwell B60 hardness ensures reliable performance in vibration-prone machinery. Its 0.406" ID perfectly mates with 3/8" screws, creating secure fastening in automotive, HVAC, and industrial equipment. The 1" OD provides optimal bearing surface, distributing clamp load effectively to prevent joint failure. Ideal for chemical processing and outdoor applications, this washer maintains integrity where steel components would degrade.

Specification Summary & Compliance

Manufactured to inch system standards with precise internal diameter (0.406"), outer diameter (1"), and thickness range (0.167-0.193"). Compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and REACH (EC 1907/2006) regulations. The Rockwell B60 hardness ensures consistent mechanical properties across production batches, suitable for Class 2A fit applications requiring reliable performance in standard industrial assemblies.