S-91475A530 0.167" ID x 0.293" OD ASME B18.21.1; MS35338-42 Mil. Spec. Split Lock Washers
Mil. Spec. Split Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance prevents loosening under dynamic loads, ensuring long-term joint integrity
- Cadmium-plated steel construction provides excellent corrosion protection in demanding industrial environments
- Precision-engineered dimensions (0.167" ID, 0.293" OD) guarantee perfect fit for No. 8 screws
- Rockwell C38 hardness rating delivers exceptional durability and spring tension for reliable locking performance
- ASME B18.21.1 and MS35338-42 compliance ensures consistent quality and interchangeability across applications
- Standard split lock design offers easy installation and immediate locking action
- Inch system compatibility simplifies integration with existing equipment and maintenance procedures
Professional Applications & Engineering Value
This cadmium-plated steel split lock washer addresses critical vibration-induced loosening challenges in industrial assemblies. The standard split lock washer design creates continuous spring tension against both fastener and surface, maintaining clamp load despite thermal cycling and mechanical shocks. Engineered specifically for No. 8 screw size applications, the precise 0.167" internal diameter ensures optimal engagement while the cadmium plating provides sacrificial corrosion protection. These industrial washers deliver exceptional value in machinery, electrical enclosures, and transportation equipment where vibration resistance is paramount. The Rockwell C38 hardness maintains spring properties through repeated compression cycles, extending service life in high-cycle applications.
Specification Summary & Compliance
Manufactured to exacting dimensional standards with 0.167" internal diameter, 0.293" outer diameter, and 0.040" thickness. Complies with ASME B18.21.1 dimensional and mechanical requirements and military specification MS35338-42. The split lock washer maintains consistent performance across temperature variations and loading conditions. Material composition and cadmium plating process adhere to industry standards for corrosion protection and environmental compliance.
