S-91755A142 0.277" ID x 0.63" OD Self-Retaining Washers
Self-Retaining Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Secure self-retaining design ensures consistent positioning and prevents loosening under vibration, reducing assembly time and maintenance needs.
- Excellent temperature resilience from -40°F to 180°F allows reliable performance in both freezing and high-heat industrial environments.
- High Rockwell R120 hardness provides superior wear resistance and durability, extending the washer's service life in demanding applications.
- Dual-standard compatibility with both No. 10 (inch) and M5 (metric) screw sizes offers flexibility for global equipment and supply chains.
- Precision dimensional control with a 0.277" ID and 0.63" OD ensures a perfect fit, preventing misalignment and distributing load effectively.
- RoHS 3 compliance guarantees environmental safety and meets stringent international regulations for hazardous substances.
- Lightweight Nylon construction resists corrosion and electrical conductivity, ideal for sensitive electronic or corrosive settings.
Professional Applications & Engineering Value
This Nylon Self-Retaining Washer is engineered to solve critical challenges in industrial assembly, where vibration, thermal cycling, and material compatibility are paramount. Its self-retaining feature eliminates the need for additional fastening components, streamlining installation in automotive, electronics, and machinery sectors. The Nylon Plastic material offers inherent resistance to chemicals and corrosion, while the broad temperature range from -40°F to 180°F ensures stability in outdoor or HVAC systems. By combining Rockwell R120 hardness with precise ID and OD dimensions for No. 10 and M5 screws, it prevents galvanic corrosion and reduces part failure, delivering long-term reliability and cost savings in extreme condition applications.
Specification Summary & Compliance
This washer adheres to standard dimensional tolerances for inch and metric systems, with an inner diameter of 0.277", outer diameter of 0.63", and thickness ranging from 0.052" to 0.072". It is manufactured from Nylon Plastic with a hardness of Rockwell R120 and is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring it meets global environmental and safety standards for industrial use.
