S-91367A927 0.615" ID x 1.312" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability maintains sealing integrity across extreme temperatures from -60°F to 400°F, preventing failure in harsh environments
• Superior chemical and fluid resistance thanks to fluorosilicone rubber construction, ideal for applications involving fuels, oils, and solvents
• Consistent compression performance with Durometer 60A hardness, ensuring reliable sealing without over-compression damage
• Precision dimensional fit with 0.615" ID and 1.312" OD designed specifically for 5/8" screws, reducing installation errors
• Enhanced durability and longevity from uniform 0.052-0.072" thickness, providing even load distribution and extended service life
• Regulatory compliance assurance with RoHS 3 and REACH compliance, meeting strict international environmental and safety standards
• Quick visual identification through distinctive blue coloring, simplifying inventory management and assembly processes

Professional Applications & Engineering Value

This fluorosilicone rubber flat washer delivers critical performance in demanding industrial applications where temperature extremes and chemical exposure compromise ordinary seals. The specialized fluorosilicone material resists degradation from -60°F to 400°F, solving common failure points in automotive, aerospace, and chemical processing equipment. Its Durometer 60A hardness provides optimal compression recovery for lasting sealing against fluids and gases, while the precise 0.615" ID ensures perfect alignment with 5/8" screw sizes. Engineered for industrial washers applications requiring reliable performance under thermal cycling and chemical attack, this component extends maintenance intervals and reduces downtime in critical systems.

Specification Summary & Compliance

This inch-system flat washer features precise dimensions (ID: 0.615", OD: 1.312", Thickness: 0.052-0.072") manufactured to industrial flat washer standards for 5/8" fasteners. The fluorosilicone rubber construction with Durometer 60A hardness ensures consistent performance across the specified temperature range. Compliance is verified with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and substance restriction requirements for industrial components.