S-92150A164 0.453" ID x 0.75" OD NAS1515-M7 Mil. Spec. Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature resistance up to 500°F (260°C) for reliable performance in extreme thermal environments
• Superior chemical inertness of PTFE material prevents corrosion and degradation from harsh industrial chemicals
• Precision dimensional stability with 0.453" ID and 0.75" OD ensures perfect fit for 7/16" screw applications
• NAS1515-M7 compliance guarantees aerospace-grade quality and consistent performance standards
• Low friction surface reduces wear on mating components and extends equipment service life
• Regulatory compliance assurance with RoHS 3 and REACH certifications for global industrial applications
• Consistent thickness control between 0.057-0.075" provides uniform load distribution and sealing performance

Professional Applications & Engineering Value

This PTFE plastic flat washer delivers critical engineering solutions where conventional washers fail. The PTFE material maintains structural integrity and dimensional stability across extreme temperature cycles from cryogenic to 500°F, eliminating thermal degradation concerns in industrial ovens, chemical processing equipment, and aerospace applications. The NAS1515-M7 compliance ensures precise dimensional tolerances for reliable performance in high-vibration environments. The inherent chemical resistance of PTFE prevents swelling or deterioration when exposed to aggressive solvents, acids, and bases, making these flat washers ideal for chemical processing, semiconductor manufacturing, and food processing equipment where contamination must be avoided. The combination of thermal stability and chemical inertness provides long-term reliability in demanding industrial applications where metal washers would corrode or plastic washers would melt.

Specification Summary & Compliance

This PTFE plastic flat washer features precise inch system dimensions with 0.453" inner diameter, 0.75" outer diameter, and thickness ranging 0.057-0.075". Manufactured to NAS1515-M7 specifications for aerospace and industrial applications, ensuring consistent quality and performance. The washer is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial components. The PTFE material provides excellent dimensional stability across the specified temperature range while maintaining the required mechanical properties for reliable fastening applications.