S-93785A230 0.938" ID x 2.25" OD Plastic Washers

Key Features & Benefits at a Glance

• Extreme temperature resilience for reliable performance in environments ranging from -50°F to 500°F, preventing material degradation under thermal stress.
• Superior chemical resistance due to PEEK plastic construction, ensuring longevity in corrosive or aggressive industrial settings.
• Exceptional hardness (Rockwell M103) provides high wear resistance and load distribution, extending the lifespan of both the washer and fastened components.
• Precision dimensional fit with 0.938" ID and 2.25" OD designed specifically for 7/8" screws, ensuring secure fastening and reduced vibration loosening.
• Compliance with RoHS 3 and REACH regulations guarantees environmental safety and suitability for global markets and sensitive applications.
• Lightweight and non-conductive properties make it ideal for electrical insulation and weight-sensitive assemblies without sacrificing strength.
• Consistent thickness (0.108-0.160") ensures uniform pressure distribution, minimizing the risk of joint failure and improving assembly reliability.

Professional Applications & Engineering Value

This PEEK plastic flat washer is engineered to address critical challenges in high-stress industrial environments, such as chemical processing, aerospace, and automotive systems. Its PEEK material offers inherent resistance to harsh chemicals and extreme temperatures, preventing common failures like cracking or deformation. The precise 0.938" ID and 2.25" OD dimensions, tailored for 7/8" screw size, ensure optimal load spreading and vibration dampening, which is crucial for maintaining integrity in machinery and structural assemblies. With a temperature range from -50°F to 500°F and Rockwell M103 hardness, it provides long-term durability in applications where metal washers would corrode or lose performance, reducing maintenance costs and enhancing operational safety.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an internal diameter of 0.938", external diameter of 2.25", and thickness ranging from 0.108" to 0.160", ensuring precise fit for 7/8" screws. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming its safety for use in regulated industries. The PEEK plastic material and Rockwell M103 hardness provide consistent performance under specified temperature limits, supporting applications that demand high mechanical strength and environmental resistance.