S-3573A21 0.276" ID x 0.448" OD Heavy-Vibration-Resistant Spring Lock Washers
Heavy-Vibration-Resistant Spring Lock 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
- Superior vibration resistance through spring lock design, maintaining bolt tension in demanding applications
- Excellent chemical and moisture resistance with Acetal Plastic construction, ideal for harsh environments
- Wide temperature tolerance from -40°F to 212°F (-40°C to 100°C) for reliable performance across diverse operating conditions
- Durable Rockwell M80 hardness ensures long-lasting performance without deformation under load
- Dual compatibility with both 1/4" and M6 screw sizes, simplifying inventory for mixed-standard applications
- Non-conductive and non-corrosive properties prevent electrical interference and rust formation
- Environmental compliance with RoHS 3 standards for safe use in regulated industries
Professional Applications & Engineering Value
This Acetal Plastic Spring Lock Washer delivers critical engineering solutions where metal fasteners fail. The spring lock mechanism provides consistent clamping force to prevent loosening from vibration, while the Acetal Plastic material offers exceptional resistance to chemicals, moisture, and electrical conductivity. These properties make it ideal for electrical enclosures, food processing equipment, marine applications, and chemical handling systems where corrosion prevention and insulation are paramount. The white color provides visual cleanliness standards for medical and food-grade applications, while the dual 1/4" and M6 compatibility streamlines procurement for facilities using both inch and metric systems.
Specification Summary & Compliance
Manufactured to precise dimensional standards with 0.276" ID, 0.448" OD, and 0.030-0.040" thickness. Engineered for 1/4" and M6 screw applications with consistent performance across the specified temperature range. Compliant with RoHS 3 (2015/863/EU) environmental standards, ensuring safe use in regulated industries. The material maintains Rockwell M80 hardness throughout its service life, providing reliable mechanical properties without degradation.
