S-94709A317 0.275" ID x 0.625" OD Bonded Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with permanently bonded neoprene rubber that prevents leakage and ingress of contaminants in demanding environments.
• Excellent corrosion resistance provided by the 18-8 stainless steel construction, ensuring long-term reliability and durability.
• Wide operational temperature range from -40°F to 250°F, making it suitable for applications exposed to extreme thermal cycling.
• Precise dimensional fit for 1/4" screws with a 0.275" ID and 0.625" OD, ensuring easy installation and a secure, flush assembly.
• Durable neoprene seal with 65A durometer hardness offers optimal compression and recovery for a long-lasting, vibration-resistant seal.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global industrial markets.
• Robust metal-to-rubber bond prevents seal separation under pressure, maintaining integrity in high-stress applications.

Professional Applications & Engineering Value

This metal bonded washer is engineered to solve critical sealing and corrosion challenges in industrial settings. The 18-8 stainless steel body provides inherent resistance to rust and chemical exposure, while the integrally bonded neoprene rubber seal (65A durometer) ensures a reliable barrier against moisture, dust, and air. It is ideal for 1/4" screw applications in machinery, automotive assemblies, electrical enclosures, and outdoor equipment where environmental sealing and thermal stability from -40°F to 250°F are paramount. The black neoprene seal offers excellent UV and ozone resistance, making it a dependable choice for prolonged use in harsh conditions without degradation.

Specification Summary & Compliance

This washer features an ID of 0.275", OD of 0.625", and a thickness range of 0.084-0.114", designed for use with 1/4" screw sizes in the inch system. It is manufactured from 18-8 stainless steel with a bonded neoprene rubber seal of 65A durometer hardness. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industries.