S-90131A616 0.812" ID x 2.5" OD Abrasion-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior vibration dampening with SBR rubber construction and 70A hardness for reduced equipment wear and noise
• Enhanced durability and tear resistance through polyester fiber reinforcement for longer service life
• Reliable chemical and temperature resistance handling up to 170°F for diverse industrial environments
• Precise fit for 3/4" screws with 0.812" ID and 2.5" OD dimensions ensuring secure fastening
• Consistent performance in inch system applications with standardized flat washer geometry
• Compliance with environmental regulations including RoHS 3 and REACH for safe global sourcing
• Effective sealing and load distribution with black SBR rubber material preventing leaks and surface damage

Professional Applications & Engineering Value

This SBR rubber flat washer delivers critical engineering solutions where vibration isolation, chemical exposure, and thermal stability are paramount. The Durometer 70A hardness provides optimal flexibility for absorbing shocks in machinery, automotive, and plumbing systems, while the polyester fiber filler reinforces structural integrity against mechanical stress. Its 2.5" OD and 0.812" ID dimensions ensure precise alignment with 3/4" screws, preventing loosening under dynamic loads. Ideal for industrial washers applications, it maintains seal integrity and protects surfaces up to 170°F, reducing maintenance costs and downtime in harsh operating conditions.

Specification Summary & Compliance

Manufactured to inch system standards with ID: 0.812", OD: 2.5", and Thickness: 0.078-0.108" for consistent fit. The SBR rubber flat washer meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring adherence to environmental and safety regulations. Material specifications include Durometer 70A hardness and polyester fiber reinforcement for reliable performance in mechanical and sealing applications.