S-95395A340 0.531" ID x 1.125" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from brass material, ideal for humid or chemical environments
• Precise fit for 1/2" screws with 0.531" ID ensuring secure fastening and vibration resistance
• Enhanced load distribution with 1.125" OD, reducing surface pressure and material fatigue
• Consistent performance guaranteed by Rockwell B60 hardness for reliable mechanical strength
• Compliance with global regulations including RoHS 3 and REACH for safe industrial use
• Durable thickness range (0.167-0.193") providing structural stability in heavy-duty applications
• Non-sparking properties of brass alloy enhancing safety in volatile industrial settings

Professional Applications & Engineering Value

This brass flat washer delivers exceptional engineering value in demanding industrial environments where corrosion resistance and electrical conductivity are critical. The copper alloy composition prevents galvanic corrosion when paired with steel fasteners, making it ideal for marine equipment, electrical enclosures, and plumbing systems. With precise 0.531" inner diameter engineered for 1/2" screw applications, it maintains secure fastening under vibration while the 1.125" outer diameter optimally distributes clamping force. The Rockwell B60 hardness ensures consistent performance in high-stress assemblies, providing reliable industrial washers that withstand repeated torque applications without deformation.

Specification Summary & Compliance

Manufactured to inch system standards with precise dimensional tolerances, this flat washer features 0.531" ID, 1.125" OD, and 0.167-0.193" thickness range. The brass material meets Rockwell B60 hardness specifications for mechanical reliability. Compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and fully compliant with REACH (EC 1907/2006) regulations regarding SVHC substances as of January 2023.