S-93493A366 0.562" ID x 1.25" OD MIL-I-24768/27 Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal resistance – withstands continuous operation up to 280°F, preventing deformation in high-heat industrial environments
• Superior electrical insulation properties – fiberglass construction provides reliable non-conductive performance for electrical applications
• Enhanced durability and wear resistance – Rockwell M100 hardness ensures long service life under mechanical stress
• Precise dimensional stability – 0.562" ID and 1.25" OD maintain consistent fit and distribution of load for 1/2" screws
• Regulatory compliance assurance – meets MIL-I-24768/27 specifications for quality and performance in demanding applications
• Environmental and safety compliance – RoHS 3 and REACH compliant for restricted substance control
• Quick visual identification – light green color coding enables easy part recognition and inventory management

Professional Applications & Engineering Value

This fiberglass flat washer delivers critical engineering solutions where electrical insulation and high-temperature performance are paramount. The fiberglass material provides excellent dielectric strength, making it ideal for electrical enclosures, power distribution equipment, and electronic assemblies where current isolation is essential. Its ability to maintain structural integrity at temperatures up to 280°F prevents thermal degradation in automotive, aerospace, and industrial heating applications. The Rockwell M100 hardness ensures consistent performance under bolt tensioning, while the precise 0.562" ID x 1.25" OD dimensions provide optimal load distribution for 1/2" screws, reducing stress concentration and preventing joint failure in vibration-prone environments.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.562" inner diameter and 1.25" outer diameter, designed specifically for 1/2" screw size applications. Manufactured to meet MIL-I-24768/27 military specifications, it ensures consistent quality and performance. The washer maintains dimensional stability with a thickness range of 0.054-0.070" and demonstrates Rockwell M100 hardness for mechanical durability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and restricted substance adherence for global industrial applications.