S-95395A102 0.078" ID x 0.156" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ideal for harsh industrial environments and extending component lifespan.
• Excellent load distribution with a precise 0.156" outer diameter, protecting surfaces and preventing fastener embedment.
• Reliable fit and secure fastening ensured by the 0.078" inner diameter, perfectly matching No. 1 screw sizes.
• Enhanced durability and deformation resistance provided by the Rockwell B60 hardness rating.
• Consistent performance and quality with a controlled thickness range of 0.005" to 0.024" for uniform application.
• Compliance with global environmental standards, being RoHS 3 and REACH compliant, ensuring suitability for regulated industries.
• Safe for sensitive applications as a lead-free copper alloy, meeting strict material composition requirements.

Professional Applications & Engineering Value

This brass flat washer is engineered to solve critical challenges in precision assembly and corrosive environments. Its copper alloy composition provides inherent corrosion resistance, making it an ideal choice for electrical components, marine hardware, and plumbing systems where moisture and oxidation are concerns. The precise 0.078" ID ensures a perfect fit for No. 1 screws, preventing misalignment and thread damage during installation. The flat washer design effectively distributes clamping force, protecting soft or finished surfaces from damage and maintaining the integrity of the joint. Its Rockwell B60 hardness offers a balance between malleability and strength, resisting deformation under load. As a RoHS 3 and REACH compliant component, it is specified for electronics, automotive, and other industries requiring verified, lead-free materials for both performance and regulatory adherence.

Specification Summary & Compliance

This flat washer conforms to standard inch system measurements with an Inner Diameter of 0.078" and Outer Diameter of 0.156". The thickness is manufactured to a precision range of 0.005" to 0.024". The material is brass with a hardness of Rockwell B60. It is designed for use with No. 1 screw sizes. The product is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloy and is REACH (EC 1907/2006) compliant as of 01/17/2023.