S-91755A314 0.169" ID x 0.276" OD Self-Retaining Washers

Key Features & Benefits at a Glance

• Superior vibration resistance ensures components stay securely fastened in high-motion environments, reducing maintenance needs.
• Excellent thermal stability from -40°F to 180°F allows reliable performance in both extreme cold and moderate heat applications.
• Self-retaining design simplifies installation and prevents washer displacement during assembly, speeding up production.
• Durable Nylon construction with Rockwell R120 hardness offers excellent wear resistance and corrosion-free operation.
• Precision dimensions (0.169" ID, 0.276" OD) provide a consistent fit for No. 8 and M4 screws, minimizing assembly errors.
• RoHS 3 compliance ensures environmental safety and meets global regulatory standards for hazardous substances.
• Off-white color and non-conductive material make it ideal for electrical insulation and visually controlled assemblies.

Professional Applications & Engineering Value

This Nylon Self-Retaining Washer is engineered to address common industrial challenges such as loosening under vibration and thermal expansion. Made from high-grade Nylon Plastic, it maintains dimensional integrity across a wide temperature range (-40°F to 180°F), preventing brittleness in cold and softening in heat. The self-retaining feature eliminates the need for additional fastening components, streamlining assembly in automotive, electronics, and machinery sectors. Its Rockwell R120 hardness ensures long-term durability, while the precise ID and OD cater to both No. 8 and M4 screw sizes, supporting versatile inch and metric system applications. Ideal for vibration-resistant setups, it enhances reliability in dynamic environments without compromising on RoHS 3 compliance.

Specification Summary & Compliance

This washer adheres to precise dimensional tolerances with an ID of 0.169", OD of 0.276", and thickness between 0.085-0.096", ensuring consistent performance for No. 8 and M4 screw sizes. Manufactured from Nylon Plastic with a hardness of Rockwell R120, it operates effectively within a temperature range of -40°F to 180°F. The product is fully RoHS 3 (2015/863/EU) Compliant, confirming it meets stringent environmental regulations for hazardous substance restrictions.