S-90940A415 6.5 mm ID x 13 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional chemical resistance for reliable performance in harsh industrial environments where corrosion or chemical exposure is a concern.
• High-temperature tolerance up to 212°F ensures dimensional stability and functionality in applications subject to thermal stress.
• Optical clarity and transparency allow for easy visual inspection and are ideal for applications where aesthetics or visibility of underlying components is important.
• Rockwell R120 hardness provides excellent durability and resistance to deformation under load, extending service life.
• Precision metric sizing (6.5mm ID x 13mm OD) guarantees a perfect fit for M6 screws, ensuring secure fastening and even load distribution.
• Full compliance with RoHS 3 and REACH regulations makes these washers safe for use in regulated industries and environmentally conscious supply chains.
• Lightweight polycarbonate construction reduces overall assembly weight without sacrificing strength, ideal for applications where weight is a critical factor.

Professional Applications & Engineering Value

This M6 polycarbonate flat washer is engineered to address common challenges in precision assembly and industrial applications. Made from durable polycarbonate plastic, it offers superior chemical resistance, protecting against degradation from oils, solvents, and other aggressive substances. Its clear design is not only visually appealing but also practical for applications requiring component visibility, such as in optical devices, electronic enclosures, or medical equipment. The washer’s metric dimensions (6.5mm ID x 13mm OD) and M6 screw compatibility ensure precise fitment, preventing loosening and distributing load evenly to protect sensitive surfaces. With a temperature range up to 212°F, it performs reliably in environments prone to thermal cycling, making it a versatile plastic spacer for automotive, electronics, and food processing industries where non-conductive, corrosion-resistant fasteners are essential.

Specification Summary & Compliance

This flat washer features precise metric dimensions with an inner diameter of 6.5 mm, outer diameter of 13 mm, and thickness between 0.9-1.1 mm, designed for M6 screw size applications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use. The material, polycarbonate plastic, offers a Rockwell R120 hardness and is suitable for temperatures up to 212°F maximum, meeting requirements for various engineering standards where durability and regulatory adherence are critical.