S-93493A357 0.39" ID x 0.625" OD MIL-I-24768/27 Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability withstanding temperatures up to 280°F for reliable performance in high-heat industrial environments
• Superior electrical insulation properties provided by fiberglass material, preventing current leakage and short circuits
• Enhanced corrosion resistance ensuring long-term durability in harsh chemical and moisture-prone applications
• Precision dimensional fit with 0.39" ID specifically designed for 3/8" screw sizes, ensuring secure fastening and load distribution
• Military-grade reliability meeting MIL-I-24768/27 specifications for consistent quality and performance in demanding applications
• Optimal hardness characteristics with Rockwell M100 rating providing excellent compression resistance and dimensional stability
• Environmental compliance assurance with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

This fiberglass flat washer delivers critical engineering solutions where traditional metal washers fail. The fiberglass construction provides inherent electrical insulation properties, eliminating the risk of galvanic corrosion and electrical conductivity issues in sensitive electronic assemblies and power distribution systems. With a maximum temperature rating of 280°F, these washers maintain structural integrity in high-heat applications such as electrical enclosures, motor mounts, and thermal processing equipment. The light green color aids in quick identification during assembly, while the MIL-I-24768/27 compliance ensures consistent performance in aerospace, defense, and industrial applications requiring military-standard reliability. The combination of corrosion resistance and thermal stability makes these flat washers ideal for chemical processing, marine environments, and outdoor electrical installations.

Specification Summary & Compliance

This fiberglass flat washer features precise dimensional specifications with 0.39" inner diameter, 0.625" outer diameter, and thickness ranging from 0.054" to 0.070" for optimal fit with 3/8" screw sizes. Manufactured to meet MIL-I-24768/27 military specifications, ensuring consistent quality and performance. The washer demonstrates Rockwell M100 hardness for excellent compression resistance. Compliance certifications include RoHS 3 (2015/863/EU) for restricted substance control and REACH (EC 1907/2006) compliance with the latest SVHC assessment dated 06/14/2023, making it suitable for regulated industrial applications worldwide.