S-90183A224 0.256" ID x 0.5" OD Washers for Blind Rivets

Key Features & Benefits at a Glance

• Lightweight aluminum construction reduces overall assembly weight while maintaining durability, ideal for applications where weight savings are critical.
• Corrosion-resistant material ensures long-lasting performance in various environments without the need for additional coatings or treatments.
• Precise 0.256" inner diameter provides a secure and snug fit for 1/4" rivets, minimizing movement and improving joint integrity.
• Optimized 0.5" outer diameter offers excellent surface coverage for better load distribution and protection against surface damage.
• Consistent 0.056-0.062" thickness guarantees uniform spacing and reliable performance in repetitive assembly operations.
• Inch system compatibility simplifies sourcing and integration with standard imperial-sized components and tools.
• Cost-effective and versatile for a wide range of industrial uses, from electronics to light structural assemblies.

Professional Applications & Engineering Value

This aluminum flat washer is engineered to address common challenges in industrial assembly, such as uneven load distribution and surface abrasion. Its lightweight aluminum composition makes it perfect for applications in aerospace, electronics, and automotive sectors, where reducing weight without sacrificing strength is essential. The precise 0.256" ID ensures a perfect match for 1/4" rivets, eliminating play and enhancing the stability of fastened joints. Additionally, the corrosion-resistant properties of aluminum extend the washer's lifespan in humid or corrosive environments, reducing maintenance needs. With a controlled thickness range of 0.056-0.062", it provides consistent spacing and reliable performance in high-volume production lines, supporting efficient and error-free assembly processes.

Specification Summary & Compliance

This flat washer adheres to standard inch system measurements, with an inner diameter of 0.256", outer diameter of 0.5", and thickness between 0.056-0.062". It is designed for compatibility with 1/4" rivets and is manufactured from aluminum, which offers natural corrosion resistance. The product meets general industry standards for dimensional accuracy and is suitable for use in assemblies requiring lightweight, non-hardened components. While hardness is not rated, it conforms to common material and fabrication guidelines for industrial washers, ensuring reliable performance in various applications.