S-92150A167 0.64" ID x 1.188" OD NAS1515-M10 Mil. Spec. Plastic Washers

Key Features & Benefits at a Glance

• Exceptional heat resistance for reliable performance in environments up to 500°F (260°C), preventing deformation and failure under extreme thermal conditions.
• Superior chemical resistance against a wide range of corrosive substances, ensuring long-term integrity in aggressive industrial settings.
• Low friction properties reduce wear on mating surfaces and facilitate easier assembly and disassembly, extending component lifespan.
• Precise dimensional fit with 1.188" OD and 0.64" ID designed specifically for 5/8" screws, providing secure fastening and even load distribution.
• Compliance with NAS1515-M10 standards guarantees consistent quality, interchangeability, and reliability for aerospace and demanding industrial applications.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains and sensitive applications.
• Consistent thickness tolerance (0.057-0.075") ensures uniform pressure distribution and reduces the risk of loosening under vibration.

Professional Applications & Engineering Value

This PTFE plastic flat washer is engineered to address critical challenges in high-temperature and chemically aggressive environments. Its PTFE material provides inherent non-stick and low-friction characteristics, reducing galling and seizing on 5/8" screws during repeated maintenance. The NAS1515-M10 compliance ensures it meets rigorous aerospace and defense standards, making it ideal for applications in chemical processing, food manufacturing, and semiconductor equipment where temperature resistance up to 500°F and purity are paramount. The white color allows for easy identification and contamination control in cleanroom settings, while its excellent dielectric properties prevent electrical leakage in electronic assemblies.

Specification Summary & Compliance

This flat washer conforms to NAS1515-M10 specifications with precise inch-system dimensions: 1.188" OD, 0.64" ID, and thickness ranging from 0.057" to 0.075". It is manufactured from PTFE plastic (unrated hardness) and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to strict environmental and safety standards for industrial and aerospace components.