S-92917A185 0.34" ID x 0.75" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from nickel-plated brass construction, ideal for harsh environments and extending service life.
• Excellent electrical conductivity of brass ensures reliable performance in electrical and electronic assemblies.
• Precise dimensional fit with a 0.34" ID and 0.75" OD, designed specifically for 5/16" screws to prevent loosening and ensure even load distribution.
• Enhanced durability and wear resistance provided by a Rockwell B60 hardness, maintaining integrity under repeated stress.
• Consistent thickness control (0.052-0.072") for uniform clamping force and reduced assembly variability in inch-system applications.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Reliable performance in demanding applications due to the combination of material strength and precise flat washer design.

Professional Applications & Engineering Value

This nickel-plated brass flat washer is engineered to address common industrial challenges such as galvanic corrosion, electrical isolation needs, and fastener integrity in high-vibration settings. The brass core offers inherent corrosion resistance, which is further enhanced by the nickel plating to protect against moisture, chemicals, and oxidation, significantly reducing maintenance costs and downtime. Its precise 0.34" ID and 0.75" OD dimensions ensure a perfect fit for 5/16" screw size applications, preventing misalignment and distributing load evenly to protect connected components. Commonly used in electrical enclosures, marine hardware, and precision machinery, this washer provides long-term reliability and performance in industrial flat washer roles where conductivity and durability are critical.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.34", outer diameter of 0.75", and thickness ranging from 0.052" to 0.072", ensuring dimensional accuracy for Class 2A fit applications. Manufactured from nickel-plated brass with a hardness of Rockwell B60, it meets general industry standards for flat washers. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for industrial use.