S-91083A041 1.5" ID x 2.75" 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
- Enhanced load distribution with 2.75" outer diameter to prevent surface damage and material embedding
- Precise 1.5" inner diameter ensures perfect fit for 1 3/8" fasteners, eliminating installation issues
- Robust steel construction provides reliable durability and corrosion resistance in demanding environments
- ASME B18.21.1 compliance guarantees consistent quality and dimensional accuracy across all applications
- 0.136-0.192" thickness range offers optimal compression and vibration resistance for various joint requirements
- Full regulatory compliance with RoHS 3 and REACH standards ensures safe use in regulated industries
- SAE standard design provides interchangeability and reliability across inch-based mechanical systems
Professional Applications & Engineering Value
These SAE flat washers deliver critical engineering solutions where load distribution and surface protection are paramount. Manufactured from high-quality steel, they effectively prevent fastener loosening under vibration while protecting sensitive surfaces from damage during torque application. The precise 1.5" ID and 2.75" OD dimensions ensure optimal performance in heavy-duty industrial applications including machinery assembly, structural steel connections, and equipment maintenance. Their compliance with ASME B18.21.1 standards guarantees consistent performance in critical load-bearing applications, making them ideal for automotive, construction, and manufacturing sectors where reliability cannot be compromised.
Specification Summary & Compliance
This SAE flat washer features precise inch dimensions with 1.5" inner diameter, 2.75" outer diameter, and thickness ranging 0.136-0.192". Manufactured to ASME B18.21.1 specifications for dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications requiring 1 3/8" screw sizes.
