S-92150A166 0.578" ID x 1.062" OD NAS1515-M9 Mil. Spec. Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance - withstands continuous operation up to 500°F without degradation
• Superior chemical resistance - PTFE material provides excellent protection against corrosive substances and solvents
• Precise dimensional accuracy - 0.578" ID and 1.062" OD ensure perfect fit for 9/16" screw applications
• Reliable load distribution - flat washer design effectively spreads pressure and prevents surface damage
• Industry-standard compliance - meets NAS1515-M9 specifications for aerospace and demanding industrial applications
• Environmental regulation adherence - fully compliant with RoHS 3 and REACH standards for safe industrial use
• Low friction surface - PTFE construction reduces wear and facilitates easier assembly and disassembly

Professional Applications & Engineering Value

These PTFE plastic flat washers deliver critical performance in demanding environments where conventional washers fail. The PTFE material provides outstanding chemical inertness, making these industrial washers ideal for chemical processing, semiconductor manufacturing, and aerospace applications where exposure to aggressive substances is common. The high-temperature resistance up to 500°F ensures reliable performance in thermal cycling applications, engine compartments, and high-heat industrial machinery. The NAS1515-M9 compliance guarantees these washers meet rigorous aerospace standards for dimensional precision and material quality. With their 0.578" ID specifically designed for 9/16" screws, these washers provide optimal load distribution while maintaining excellent electrical insulation properties in electrical and electronic assemblies.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.578" inner diameter, 1.062" outer diameter, and thickness ranging from 0.057" to 0.075". Manufactured to meet NAS1515-M9 specifications for aerospace and high-performance applications. The washers are fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC requirements as of June 14, 2023. Constructed from white PTFE plastic with excellent dimensional stability and manufactured to provide reliable performance in extreme temperature and chemical environments.