S-90131A637 0.469" ID x 1.469" OD Abrasion-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior vibration damping with SBR rubber construction reduces equipment wear and noise in demanding industrial environments
• Enhanced durability and tear resistance through polyester fiber reinforcement for longer service life under mechanical stress
• Reliable sealing performance with Durometer 70A hardness providing optimal compression and environmental protection
• Wide temperature compatibility up to 170°F (76°C) for stable performance across various operating conditions
• Precise dimensional fit with 0.469" ID and 1.469" OD ensuring proper alignment with 7/16" fasteners
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Consistent black coloration for easy identification and professional appearance in assembly operations

Professional Applications & Engineering Value

This SBR rubber flat washer delivers critical engineering solutions where conventional metal washers fall short. The Durometer 70A hardness provides ideal compression characteristics for effective vibration damping in machinery, automotive, and electrical enclosures. The polyester fiber reinforcement significantly enhances structural integrity, preventing deformation under sustained load while maintaining sealing efficiency against moisture, dust, and air infiltration. With precise 0.469" ID x 1.469" OD dimensions specifically engineered for 7/16" screws, this washer ensures perfect fitment in inch-system applications. The 170°F maximum temperature resistance makes it suitable for industrial environments where thermal stability is crucial, while the compliant certifications guarantee safe integration across regulated sectors.

Specification Summary & Compliance

Manufactured to precise inch-system dimensional standards with 0.469" inner diameter and 1.469" outer diameter, this flat washer maintains consistent thickness between 0.047-0.077". The construction utilizes SBR rubber with polyester fiber filler reinforcement, rated at Durometer 70A hardness for optimal performance. The product fully complies with RoHS 3 (2015/863/EU) restrictions and REACH (EC 1907/2006) regulations regarding substance control, ensuring environmental responsibility and workplace safety standards are met for industrial distribution and application.