S-94744A522 0.406" ID x 0.734" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion protection through zinc plating extends service life in demanding industrial environments
• Enhanced load distribution with precise 0.406" ID and 0.734" OD dimensions prevents surface damage and fastener loosening
• Grade 5 strength rating ensures reliable performance in medium-duty to heavy-duty applications
• ASME B18.21.1 compliance guarantees dimensional accuracy and interchangeability with standard components
• Environmental regulation compliance with RoHS 3 and REACH standards meets global manufacturing requirements
• Optimized thickness range (0.056-0.071") provides consistent spacing and vibration resistance
• Perfect compatibility with 3/8" screws ensures secure fastening in mechanical assemblies

Professional Applications & Engineering Value

These Grade 5 zinc-plated steel flat washers deliver exceptional engineering value by solving critical fastening challenges in industrial environments. The zinc-plated steel construction provides superior corrosion resistance, significantly extending component life in applications exposed to moisture, chemicals, or outdoor conditions. The precise dimensional control (0.406" ID, 0.734" OD) ensures perfect fit with 3/8" screws, preventing bolt head embedment and distributing clamping forces evenly across surfaces. Manufactured to ASME B18.21.1 standards, these washers maintain dimensional consistency for reliable performance in machinery assembly, structural frameworks, and equipment maintenance where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.406" internal diameter and 0.734" external diameter, manufactured to ASME B18.21.1 specifications for dimensional accuracy and performance reliability. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial applications. With a thickness range of 0.056-0.071" and Grade 5 strength classification, these washers provide consistent performance for 3/8" screw applications requiring durable, corrosion-resistant fastening solutions.