S-91435A180 0.196" ID x 0.5" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal resilience for reliable performance in extreme environments from -420°F to 450°F, preventing material failure under rapid temperature cycling
• Precision dimensional stability with 0.005-0.006" thickness ensuring consistent compression and load distribution for No. 8 screw assemblies
• Superior chemical and wear resistance of polyimide plastic material providing long service life in corrosive industrial settings
• Easy visual identification with bright orange color coding for quick inventory management and assembly verification
• RoHS 3 compliance assurance meeting stringent environmental regulations for global industrial applications
• Ultra-thin profile advantage enabling use in space-constrained applications where standard washers cannot fit
• Excellent electrical insulation properties preventing current leakage in electronic and electrical assemblies

Professional Applications & Engineering Value

Engineered for high-temperature industrial environments, these polyimide plastic flat washers solve critical thermal management challenges in aerospace, automotive, and electronics manufacturing. The orange plastic washer design maintains dimensional integrity across extreme temperature fluctuations from -420°F to 450°F, eliminating the risk of thermal expansion mismatches that compromise assembly security. The precise 0.196" ID and 0.5" OD dimensions ensure perfect fitment for No. 8 screw applications, while the ultra-thin 0.005-0.006" thickness provides essential spacing and load distribution in compact designs. These thermal resistant washers outperform conventional materials in applications requiring continuous exposure to elevated temperatures, corrosive chemicals, or electrical insulation requirements.

Specification Summary & Compliance

Manufactured to inch system precision standards with critical dimensions of 0.196" inner diameter, 0.5" outer diameter, and 0.005-0.006" thickness specifically engineered for No. 8 screw size applications. This flat washer complies with RoHS 3 (2015/863/EU) environmental directives and is manufactured from high-performance polyimide plastic formulated for extreme temperature service. The product meets industrial specifications for thermal stability and dimensional accuracy required in demanding mechanical assemblies.