S-95630A360 40 mm ID x 72 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance - withstands continuous operation up to 500°F (260°C) for demanding thermal environments
• Superior chemical resistance - PTFE material provides excellent protection against corrosive substances and harsh industrial chemicals
• Optimal hardness and durability - Durometer 51D rating ensures reliable performance under compression and mechanical stress
• Precise dimensional compatibility - 40mm ID specifically designed for M39 screw applications with 72mm OD for proper load distribution
• Regulatory compliance assurance - Meets RoHS 3 and REACH environmental standards for global industrial applications
• Consistent thickness control - 1.4-1.8mm thickness range provides reliable sealing and spacing performance
• Non-contaminating white PTFE construction - Ideal for cleanroom, food processing, and pharmaceutical applications

Professional Applications & Engineering Value

This M39 PTFE flat washer delivers critical engineering solutions for extreme operating conditions where conventional washers fail. The PTFE plastic construction offers exceptional chemical resistance against aggressive solvents, acids, and bases, making it ideal for chemical processing equipment, laboratory apparatus, and semiconductor manufacturing. The high-temperature capability up to 500°F ensures reliable performance in thermal management systems, industrial ovens, and automotive applications. The metric dimensions (40mm ID x 72mm OD) provide precise fitment for M39 fasteners in heavy machinery, while the controlled 1.4-1.8mm thickness maintains consistent compression and sealing properties. This flat washer effectively prevents galvanic corrosion between dissimilar metals and maintains insulation properties in electrical applications.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications: 40mm internal diameter, 72mm outer diameter, and 1.4-1.8mm thickness range, engineered for M39 screw applications. Manufactured from PTFE plastic with Durometer 51D hardness, the washer maintains dimensional stability across its operating temperature range. The product fully complies with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC requirements as of June 14, 2023. This ensures environmental responsibility and workplace safety compliance for international industrial applications.