S-95630A879 0.344" ID x 0.625" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance up to 500°F, ensuring reliable operation in demanding thermal environments without degradation.
• Superior chemical resistance due to PTFE material, protecting assemblies from corrosive substances and extending service life.
• Precise dimensional fit with 0.344" ID and 0.625" OD, providing secure seating for 5/16" screws and reducing installation errors.
• Optimal load distribution and vibration resistance from flat washer design and Durometer 55D hardness, minimizing loosening under dynamic conditions.
• Compliance with stringent environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industrial applications.
• Low friction and non-stick properties of PTFE, facilitating easy maintenance and disassembly in high-wear scenarios.
• Durable white PTFE construction offering long-term stability and visibility for quality control in assembly processes.

Professional Applications & Engineering Value

This PTFE plastic flat washer is engineered to address critical challenges in high-temperature and corrosive environments, such as chemical processing, aerospace, and automotive systems. Its PTFE material provides inherent resistance to harsh chemicals and extreme heat up to 500°F, preventing common failures like melting or chemical degradation. The flat washer design ensures even pressure distribution, reducing stress on fastened components and enhancing joint integrity. With precise inch system dimensions (0.344" ID x 0.625" OD) for 5/16" screw size applications, it guarantees a secure fit, minimizing leaks and misalignment in assemblies. Ideal for industries requiring reliable high-temperature washers that maintain performance under continuous thermal cycling and exposure to aggressive substances.

Specification Summary & Compliance

This washer features exact dimensions: 0.344" inner diameter, 0.625" outer diameter, and thickness ranging from 0.056" to 0.071", tailored for 5/16" screw size in the inch system. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use. The PTFE plastic construction with Durometer 55D hardness provides consistent mechanical properties, supporting applications where precision and durability are paramount.