S-5916K38 0.625" ID x 1.75" OD Chemical-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance: Raised grid design creates multiple contact points for enhanced sealing against fluids and contaminants
• Excellent Vibration Resistance: Buna-N rubber construction with Durometer 63A hardness absorbs shock and prevents fastener loosening
• High-Temperature Durability: Withstands maximum temperatures up to 200°F for reliable performance in demanding environments
• Precision Fit & Easy Installation: 0.625" ID ensures perfect compatibility with 5/8" screws while 1.75" OD provides optimal load distribution
• Consistent Thickness Control: 0.281-0.343" thickness range maintains uniform compression and sealing pressure
• Chemical & Environmental Resistance: Buna-N rubber material offers excellent resistance to oils, water, and industrial fluids
• Regulatory Compliance Assurance: Meets RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This Buna-N rubber raised grid washer delivers exceptional engineering value in demanding industrial environments where vibration damping and fluid sealing are critical. The unique raised grid pattern creates multiple sealing barriers that prevent leakage in automotive assemblies, machinery equipment, and industrial piping systems. The Durometer 63A hardness provides the ideal balance between flexibility and compression resistance, ensuring consistent performance under dynamic loads. Engineered for 5/8" screw applications, this washer maintains its sealing integrity even when subjected to thermal cycling up to 200°F maximum temperature. The inch measurement system ensures compatibility with standard industrial components, while the black Buna-N rubber construction offers reliable service life in oil-rich and moisture-exposed environments common in manufacturing and processing facilities.

Specification Summary & Compliance

This raised grid washer features precise dimensional specifications including 0.625" inner diameter, 1.75" outer diameter, and thickness ranging from 0.281" to 0.343" with raised grid width of 0.219" and indented grid width of 0.281". Manufactured from Buna-N rubber with Durometer 63A hardness, the product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide. The inch system of measurement provides seamless integration with standard fastener assemblies.