S-91755A322 0.413" ID x 0.827" OD Self-Retaining Washers

Key Features & Benefits at a Glance

• Superior vibration resistance due to the self-retaining design, ensuring secure positioning and reducing loosening in dynamic applications.
• Excellent thermal stability with a wide operating range from -40°F to 180°F, ideal for environments with temperature fluctuations.
• High durability and wear resistance provided by Nylon Plastic with Rockwell R120 hardness, extending service life in demanding conditions.
• Versatile compatibility for both 3/8" and M10 screw sizes, supporting inch and metric systems for global industrial use.
• Reliable insulation and corrosion resistance from the off-white nylon material, protecting assemblies from electrical and environmental damage.
• Easy installation and maintenance with precise ID (0.413") and OD (0.827") dimensions, ensuring accurate fit and reduced assembly time.
• Environmental and safety compliance with RoHS 3 (2015/863/EU), meeting strict regulatory standards for hazardous substance restrictions.

Professional Applications & Engineering Value

This Nylon Self-Retaining Washer is engineered to address common industrial challenges such as vibration-induced loosening and thermal expansion in machinery and equipment. Made from high-grade Nylon Plastic with a Rockwell R120 hardness, it offers excellent mechanical strength and resilience, making it suitable for heavy-duty applications in automotive, aerospace, and electronics. The self-retaining feature ensures the washer stays in place during assembly, reducing errors and improving efficiency. With a broad temperature range from -40°F to 180°F, it performs reliably in extreme conditions, while the off-white color and non-conductive properties provide added insulation against electrical hazards. Ideal for use with 3/8" and M10 screw sizes, this washer enhances assembly reliability and longevity in vibration-resistant and temperature-resistant scenarios, delivering consistent performance in industrial washers and precision fastener systems.

Specification Summary & Compliance

This washer features precise dimensions with an ID of 0.413", OD of 0.827", and thickness ranging from 0.093" to 0.104", ensuring accurate fit for 3/8" and M10 screw sizes. Manufactured from Nylon Plastic with a Rockwell R120 hardness, it adheres to standard measurement systems (inch and metric) for broad compatibility. The product is fully RoHS 3 (2015/863/EU) compliant, confirming it meets environmental regulations for hazardous substances, and operates effectively within a temperature range of -40°F to 180°F, supporting reliable performance in various industrial settings.