S-91434A135 0.344" ID x 0.688" OD ASME B18.21.1 SAE Washers
SAE Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion protection with black corrosion-resistant coating extends service life in harsh environments
- Precise dimensional fit with 0.344" ID and 0.688" OD ensures perfect alignment with 5/16" fasteners
- Enhanced load distribution through flat washer design prevents surface damage and maintains joint integrity
- Industry-standard compliance with ASME B18.21.1 guarantees consistent quality and interchangeability
- Environmental responsibility with full RoHS 3 and REACH compliance for sustainable operations
- Robust steel construction provides reliable performance in demanding industrial applications
- Versatile inch system compatibility for seamless integration with existing SAE fastener systems
Professional Applications & Engineering Value
These 5/16" flat washers deliver critical engineering solutions where corrosion resistance and dimensional precision are paramount. The black corrosion-resistant coated steel construction effectively combats environmental degradation in outdoor equipment, marine applications, and industrial machinery. Manufactured to ASME B18.21.1 specifications, these SAE standard washers provide consistent load distribution that prevents fastener loosening and surface damage. The precise 0.344" ID ensures perfect fit with 5/16" fasteners while the 0.688" OD offers optimal bearing surface. Ideal for automotive assemblies, construction equipment, and manufacturing applications where reliable performance under stress is non-negotiable.
Specification Summary & Compliance
This SAE flat washer features dimensional specifications of 0.344" inner diameter, 0.688" outer diameter, and thickness ranging from 0.051" to 0.080". Manufactured in compliance with ASME B18.21.1 standards for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with current SVHC requirements as of June 14, 2023. Designed specifically for use with 5/16" screw sizes in inch measurement systems.
