S-94240A120 0.24" ID x 0.5" OD Bonded Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with durable neoprene rubber bonded to an aluminum core, preventing leaks and contamination in demanding environments.
• Excellent temperature resilience for reliable operation across a broad range from -40°F to 250°F, suitable for various climatic and operational conditions.
• Precise dimensional fit with a 0.24" ID and 0.5" OD, ensuring easy installation and a secure seal with No. 12 screws.
• Enhanced durability from the metal-bonded construction, providing a robust seal that resists compression set and maintains integrity under load.
• Compliance and safety assurance by meeting RoHS 3 and REACH standards, making them safe for use in regulated industries and global markets.
• Consistent sealing pressure due to the neoprene seal's Durometer 65A hardness, offering optimal flexibility and long-term sealing without degradation.
• Corrosion-resistant and lightweight aluminum material, reducing overall weight while providing reliable performance in corrosive-prone settings.

Professional Applications & Engineering Value

This aluminum washer with a neoprene seal is engineered to address common industrial challenges such as fluid ingress, vibration loosening, and thermal expansion in assembly applications. The metal-bonded design integrates a resilient neoprene rubber seal (Durometer 65A) with a sturdy aluminum washer, creating an effective barrier against moisture, dust, and air leaks. Ideal for use in automotive, HVAC, and outdoor equipment, it solves pain points like seal failure in fluctuating temperatures—from frigid -40°F to high heat of 250°F. By combining lightweight aluminum with a flexible seal, it ensures easy installation on No. 12 screw sizes, reducing maintenance needs and enhancing operational reliability in industrial washers for machinery and enclosures.

Specification Summary & Compliance

This washer features precise dimensions with an ID of 0.24", OD of 0.5", and thickness ranging from 0.090" to 0.120", tailored for No. 12 screw sizes in the inch system. It adheres to industry standards for material and performance, including compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various applications. The neoprene seal maintains a consistent Durometer 65A hardness, supporting reliable sealing in specified temperature ranges.