S-90449A290 22 mm ID x 27 mm OD DIN 7603 Hard Fiber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with fiber material that effectively prevents fluid and gas leakage in M22 fastener applications
• Excellent electrical insulation properties for safe operation in electrical systems and equipment
• Reliable vibration resistance that maintains joint integrity in high-vibration industrial environments
• Precise dimensional accuracy with 22mm ID, 27mm OD, and 0.8mm thickness ensuring perfect fit for M22 screws
• Durable construction with Rockwell R50 hardness providing long-lasting performance under compression
• Industry-standard compliance with DIN 7603 specifications guaranteeing consistent quality and reliability
• Environmentally responsible manufacturing with full RoHS 3 and REACH compliance for global industrial use

Professional Applications & Engineering Value

This M22 metric fiber washer delivers critical engineering solutions where electrical insulation and reliable sealing are paramount. The fiber material construction provides exceptional dielectric properties, making it ideal for electrical enclosures, control panels, and automotive electrical systems. As a flat washer compliant with DIN 7603, it ensures precise dimensional stability that prevents loosening under vibration, extending the service life of fastened connections. The 0.8mm thickness and Rockwell R50 hardness offer optimal compression characteristics for distributing load evenly across M22 fastener assemblies. These industrial fiber washers effectively solve common challenges in machinery, plumbing, and electrical applications where metal-to-metal contact must be avoided and environmental sealing is required.

Specification Summary & Compliance

This flat washer features precise metric dimensions of 22mm internal diameter, 27mm outer diameter, and 0.8mm thickness, engineered to exacting standards for M22 screw applications. The product strictly conforms to DIN 7603 specifications for dimensional accuracy and performance requirements. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use in industrial markets. The fiber material achieves Rockwell R50 hardness rating, providing consistent mechanical properties and durability across production batches.