S-91475A790 0.753" ID x 1.265" OD ASME B18.21.1; MS35338-51 Mil. Spec. Split Lock Washers
Mil. Spec. Split Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance prevents fastener loosening in high-stress applications
- Zinc yellow-chromate plating provides excellent corrosion protection for extended service life
- Rockwell C38 hardness ensures consistent spring tension and reliable performance under load
- Precision 0.753" ID and 1.265" OD dimensions guarantee perfect fit for 3/4" fasteners
- ASME B18.21.1 and MS35338-51 compliance delivers certified quality and interchangeability
- RoHS 3 and REACH compliance meets international environmental and safety standards
- Standard split lock design offers easy installation and removal for maintenance operations
Professional Applications & Engineering Value
This split lock washer delivers critical vibration-resistant performance in demanding industrial environments where mechanical fastening integrity is paramount. The zinc yellow-chromate plated steel construction provides dual protection against corrosion and wear, significantly extending service intervals in applications exposed to moisture, chemicals, or outdoor conditions. Engineered with Rockwell C38 hardness, the washer maintains consistent spring tension that counteracts vibrational forces in machinery, automotive assemblies, and heavy equipment. The precise dimensional control ensures optimal performance with 3/4" fasteners, preventing joint failure while meeting rigorous ASME B18.21.1 specifications for reliability in critical bolted connections across manufacturing, construction, and maintenance operations.
Specification Summary & Compliance
This heavy-duty split lock washer features precise dimensions of 0.753" ID, 1.265" OD, and 0.188" thickness, engineered for 3/4" screw size applications. Manufactured to exacting ASME B18.21.1 and MS35338-51 standards, it ensures dimensional accuracy and functional reliability. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to international environmental and safety requirements for industrial components.
