S-90718A160 5.3 mm ID x 10 mm OD UL 94 HB Plastic Washers

Key Features & Benefits at a Glance

• Enhanced Durability & Strength: Glass-filled nylon construction provides superior mechanical strength and resistance to wear, extending service life in demanding applications.
• Lightweight & Corrosion-Resistant: Plastic material ensures a non-conductive, lightweight solution that will not rust or corrode, ideal for electrical and chemical environments.
• High-Temperature Performance: Rated for continuous use up to 220°F, maintaining integrity in thermally challenging conditions.
• Reliable Flammability Rating: Complies with UL 94 HB standard, offering a recognized level of fire safety for industrial components.
• Precision Sizing for M5 Screws: With an ID of 5.3mm and OD of 10mm, ensures a perfect fit and even load distribution for M5 fasteners, reducing loosening and damage.
• Environmental & Regulatory Compliance: Meets RoHS 3 and REACH regulations, ensuring safety and sustainability for global supply chains.
• Consistent Hardness: Rockwell M111 hardness provides reliable performance and resistance to deformation under load.

Professional Applications & Engineering Value

Engineered for precision, these M5 metric flat washers made from glass-filled nylon plastic address common industrial challenges such as galvanic corrosion, electrical insulation, and weight reduction. The black color offers UV resistance and a professional appearance. In applications like electrical enclosures, automotive assemblies, and machinery, they prevent fastener loosening by distributing clamp load evenly, while their high-temperature resistance up to 220°F ensures reliability in environments with thermal cycling. The material's inherent lubricity reduces friction during installation, minimizing the risk of thread damage and improving assembly efficiency. This makes them an optimal choice for OEMs and maintenance teams seeking durable, compliant components that enhance product longevity and safety.

Specification Summary & Compliance

This flat washer features precise dimensions with an inner diameter of 5.3mm and outer diameter of 10mm, designed for M5 screw sizes in metric systems. It conforms to applicable dimensional and performance standards, including the UL 94 HB flammability rating. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use across various sectors.