S-91755A134 0.235" ID x 0.39" OD Self-Retaining Washers
Self-Retaining Washers
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Secure self-retaining design prevents loosening and misalignment during assembly and vibration
- Excellent temperature resistance from -40°F to 180°F ensures reliable performance in both extreme cold and hot environments
- High Rockwell R120 hardness provides superior durability and resistance to wear and deformation
- Dual-standard compatibility fits both No. 8 (inch) and M4 (metric) screw sizes, simplifying inventory and sourcing
- RoHS 3 compliance guarantees environmental safety and meets strict international regulatory standards
- Nylon plastic construction offers excellent corrosion resistance and electrical insulation properties
- Precise dimensional control with 0.235" ID and 0.39" OD ensures a consistent, snug fit for optimal load distribution
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these nylon self-retaining washers solve critical assembly challenges. The self-retaining feature eliminates the need for additional locking components, reducing assembly time and preventing costly rework due to fastener migration in vibrating machinery. Made from high-grade nylon plastic with Rockwell R120 hardness, they withstand mechanical stress while providing essential electrical insulation and corrosion resistance. This makes them ideal for electrical enclosures, automotive assemblies, and outdoor equipment where metal fasteners would corrode or cause galvanic reactions. Their wide operating temperature range from -40°F to 180°F ensures performance stability in applications from freezer systems to under-hood automotive components, delivering long-term reliability.
Specification Summary & Compliance
This washer features precise dimensions with an Inside Diameter of 0.235", Outside Diameter of 0.39", and a Thickness range of 0.022" to 0.042". It is manufactured to fit No. 8 (inch) and M4 (metric) screw sizes, providing versatile application coverage. The product is fully RoHS 3 (2015/863/EU) Compliant, ensuring it meets the latest restrictions on hazardous substances for global market acceptance and environmental safety.
