S-91434A115 0.281" ID x 0.625" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with black-coated steel construction for extended service life in demanding environments
• Precision dimensional control ensures perfect fit with 1/4" fasteners and consistent performance across applications
• Optimized load distribution through exact 0.625" OD design prevents surface damage and joint loosening
• Industry-standard compliance with ASME B18.21.1 guarantees mechanical reliability and interchangeability
• Environmental regulation adherence through RoHS 3 and REACH compliance for global supply chain compatibility
• Versatile thickness range (0.051-0.080") accommodates various assembly requirements and compression needs
• Durable steel core material provides excellent strength-to-weight ratio for heavy-duty mechanical applications

Professional Applications & Engineering Value

This SAE flat washer delivers critical engineering solutions through its black corrosion-resistant coated steel construction, specifically designed to combat environmental degradation in industrial settings. The precise 0.281" ID and 0.625" OD dimensions ensure optimal load distribution for 1/4" screw applications, preventing surface indentation and maintaining joint integrity under vibration and thermal cycling. Manufacturing facilities benefit from the controlled 0.051-0.080" thickness range that accommodates minor surface variations while providing consistent sealing performance. The ASME B18.21.1 compliance guarantees mechanical reliability in automotive assemblies, machinery maintenance, and structural frameworks where standardized components are essential for safety and maintenance efficiency.

Specification Summary & Compliance

This flat washer maintains precise dimensional tolerances per ASME B18.21.1 standards with internal diameter of 0.281", outer diameter of 0.625", and thickness range of 0.051-0.080". Manufactured from black corrosion-resistant coated steel for 1/4" screw applications in the inch measurement system. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and global market acceptance.