S-94733A795 0.355" ID x 0.812" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with Santoprene rubber construction that prevents fluid and gas leakage in demanding industrial environments
• Excellent vibration dampening properties that reduce equipment wear and extend machinery service life
• Wide temperature tolerance from -40°F to 270°F for reliable performance in extreme thermal conditions
• Chemical resistance against oils, greases, and industrial fluids for long-term durability in harsh applications
• Precision dimensional fit with 0.355" ID and 0.812" OD ensuring proper installation on 3/8" fasteners
• Consistent 64A durometer hardness providing optimal compression and recovery for repeated use cycles
• Regulatory compliance with RoHS 3 and REACH standards for global market acceptance and environmental safety

Professional Applications & Engineering Value

These Santoprene rubber flat washers deliver exceptional engineering value in applications where conventional washers fail. The thermoplastic elastomer construction combines the durability of rubber with the processing advantages of plastic, creating a high-performance sealing solution that maintains flexibility across extreme temperature ranges from -40°F to 270°F. In industrial settings, they effectively solve critical challenges including vibration-induced loosening of fasteners, chemical degradation from exposure to oils and solvents, and thermal expansion issues that compromise seal integrity. The precise 0.355" inner diameter ensures secure fitment on 3/8" fasteners while the 0.812" outer diameter provides optimal surface coverage for effective load distribution and sealing performance in automotive, machinery, and processing equipment applications.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.355" ID and 0.812" OD, designed specifically for 3/8" screw size applications. The washer maintains consistent 64A durometer hardness with thickness ranging from 0.068" to 0.088" for reliable compression characteristics. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance. The Santoprene rubber material provides excellent performance within the specified temperature range of -40°F to 270°F, making these washers suitable for various industrial standards and applications requiring chemical resistance and thermal stability.