S-91475A531 0.193" ID x 0.334" OD ASME B18.21.1; MS35338-43 Mil. Spec. Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance due to the split lock design that maintains constant tension and prevents loosening under dynamic loads
• Enhanced corrosion protection with cadmium plating, extending service life in harsh industrial environments
• Consistent performance ensured by Rockwell C38 hardness, providing reliable spring action and durability
• Precise fit for No. 10 screws with 0.193" ID and 0.334" OD, offering secure fastening in inch-system assemblies
• Compliance with industry standards including ASME B18.21.1 and MS35338-43, guaranteeing interchangeability and quality
• Reduced maintenance requirements through robust material and design, minimizing downtime in critical applications
• Wide mechanical compatibility as a standard split lock washer type, suitable for various industrial fastener systems

Professional Applications & Engineering Value

This cadmium-plated steel split lock washer delivers exceptional engineering value by addressing common vibration-induced failures in machinery and equipment. The split lock washer design creates continuous radial pressure, effectively resisting loosening in high-vibration environments like automotive assemblies, industrial motors, and heavy equipment. Manufactured from cadmium-plated steel, it provides superior corrosion resistance compared to uncoated alternatives, making it ideal for outdoor or humid applications. With precise dimensions (0.193" ID, 0.334" OD) specifically engineered for No. 10 screw size, it ensures perfect fitment in inch-system fastening applications. The Rockwell C38 hardness maintains spring properties under repeated loading cycles, offering long-term reliability for mechanical engineers and maintenance professionals seeking durable vibration resistant solutions.

Specification Summary & Compliance

This split lock washer features precise dimensional tolerances with 0.193" inner diameter, 0.334" outer diameter, and 0.047" thickness specifically designed for No. 10 screw applications. Manufactured to meet ASME B18.21.1 and MS35338-43 specifications, it ensures consistent quality and performance in industrial fastening systems. The cadmium-plated steel construction provides corrosion protection while maintaining the required Rockwell C38 hardness for optimal spring function. This standard split lock washer type complies with industry standards for dimensional accuracy and material properties, making it suitable for various mechanical assemblies requiring reliable vibration resistance.