S-92150A215 0.127" ID x 0.35" OD MS51859-14 Mil. Spec. Plastic Washers

Key Features & Benefits at a Glance

• Excellent electrical insulation properties prevent current leakage and short circuits in sensitive electronic assemblies
• Superior corrosion resistance ensures long-term reliability in humid or chemically aggressive environments
• Precision dimensional fit with 0.127" ID and 0.35" OD provides secure seating for No. 4 screws without binding
• Non-conductive nylon construction eliminates galvanic corrosion when used with dissimilar metals
• Lightweight durability reduces overall assembly weight while maintaining structural integrity
• Temperature resilience maintains performance characteristics up to 180°F for various operating conditions
• Regulatory compliance with MS51859-14 specifications ensures consistent quality and interchangeability

Professional Applications & Engineering Value

This nylon flat washer delivers critical engineering solutions where electrical insulation and corrosion resistance are paramount. The white nylon plastic construction prevents galvanic corrosion between dissimilar metals, making it ideal for electrical enclosures, control panels, and marine applications. The precise 0.127" ID x 0.35" OD dimensions ensure perfect fitment with No. 4 screws, preventing loosening from vibration while distributing load evenly. As a non-metallic washer, it eliminates conductivity concerns in electronic assemblies and provides reliable performance in environments where metal washers would corrode or conduct electricity. The MS51859-14 compliance guarantees consistent quality and dimensional accuracy for industrial applications requiring standardized components.

Specification Summary & Compliance

This flat washer features precision dimensions of 0.127" inner diameter and 0.35" outer diameter with thickness ranging 0.025-0.035". Manufactured to MS51859-14 military specifications for guaranteed dimensional accuracy and performance. The washer is REACH (EC 1907/2006) compliant as of 06/14/2023 and rated for maximum operating temperatures of 180°F. Designed specifically for No. 4 screw applications in the inch measurement system, this component meets rigorous industrial standards for non-metallic fastening solutions.