S-97775A534 0.195" ID x 0.41" OD ASME B18.21.1; MS35335-88 Mil. Spec. External-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through external tooth design that bites into mating surfaces, preventing loosening in high-stress applications
• Excellent corrosion resistance from bronze construction, ideal for harsh industrial environments and marine applications
• Precise dimensional compatibility with 0.195" ID specifically engineered for No. 10 screws, ensuring perfect fit and optimal performance
• Reliable locking performance maintained across temperature variations due to bronze's thermal stability and consistent spring action
• Industry-standard compliance with ASME B18.21.1 and MS35335-88 specifications, guaranteeing interchangeability and quality assurance
• Minimal surface damage compared to steel alternatives, protecting valuable components while providing secure fastening
• Enhanced electrical conductivity beneficial for grounding applications where electrical continuity is required

Professional Applications & Engineering Value

These bronze external tooth lock washers deliver critical vibration resistance in demanding industrial applications where fastener security is paramount. The bronze material offers natural corrosion resistance without requiring additional plating, making them ideal for marine equipment, chemical processing, and outdoor machinery. The external tooth configuration provides maximum biting action into both the fastener head and mating surface, creating a mechanical lock that withstands severe vibration and dynamic loads. Engineered to ASME B18.21.1 standards with precise 0.195" internal diameter for No. 10 screw applications, these washers solve common loosening problems in assembly lines, heavy machinery, and transportation equipment where maintenance downtime must be minimized.

Specification Summary & Compliance

This bronze tooth lock washer features precise dimensional specifications including 0.195" ID, 0.41" OD, and thickness range of 0.020-0.025". The product strictly conforms to ASME B18.21.1 and MS35335-88 standards, ensuring dimensional accuracy and performance reliability. Manufactured with external tooth location for optimal locking effectiveness, these washers meet industry requirements for mechanical fastening applications where vibration resistance and corrosion protection are essential.