S-94744A519 0.344" ID x 0.625" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Precise dimensional fit with 0.344" ID and 0.625" OD ensuring proper alignment and load distribution for 5/16" screws
• Superior mechanical strength from Grade 5 classification, providing reliable performance under high-stress applications
• Industry-standard compliance with ASME B18.21.1 specifications guaranteeing consistent quality and interchangeability
• Environmental regulation adherence through RoHS 3 and REACH compliance for safe global industrial usage
• Optimized thickness range (0.056-0.071") offering versatility while maintaining structural integrity
• Reduced galvanic corrosion risk through zinc plating that protects both the washer and mating components

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver critical engineering solutions where corrosion resistance and load distribution are paramount. The Grade 5 strength classification ensures reliable performance in heavy-duty industrial applications including machinery assembly, structural frameworks, and automotive components. The precise 0.344" inner diameter provides secure seating on 5/16" screws while the 0.625" outer diameter maximizes surface contact to prevent embedding and material damage. Manufactured to ASME B18.21.1 standards, these inch-system washers maintain dimensional consistency across replacement cycles, reducing maintenance downtime and ensuring long-term fastener system integrity in corrosive or high-vibration environments.

Specification Summary & Compliance

This flat washer features inch-system dimensions with 0.344" ID × 0.625" OD and thickness range of 0.056-0.071". Manufactured from zinc-plated steel with Grade 5 strength classification, the product conforms to ASME B18.21.1 dimensional and mechanical specifications. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and unrestricted use in industrial markets worldwide.