S-90474A184 0.281" ID x 0.734" OD ASME B18.21.1 ASME Washers
ASME Washers
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance from nickel-plated brass construction, extending service life in demanding environments
- Precision dimensional accuracy with 0.281" ID and 0.734" OD ensuring perfect fit for 1/4" screw applications
- Optimal load distribution through controlled thickness (0.056-0.071") preventing surface damage and loosening
- Industry-standard compliance with ASME B18.21.1 specifications guaranteeing consistent performance
- Environmental responsibility with full RoHS 3 and REACH compliance for safe industrial usage
- Excellent electrical conductivity inherent to brass material for specialized electrical applications
- Durable surface protection maintaining appearance and function through nickel plating's wear resistance
Professional Applications & Engineering Value
These nickel-plated brass flat washers deliver critical engineering solutions where corrosion resistance and electrical conductivity are paramount. The brass core material provides inherent anti-galling properties while the nickel plating creates a robust barrier against oxidation and chemical exposure. Engineered to ASME B18.21.1 standards, these precision flat washers ensure reliable performance in electrical enclosures, marine equipment, plumbing systems, and industrial machinery where 1/4" screw fastening requires consistent load distribution and long-term reliability. The combination of material properties and dimensional precision addresses common failure points in harsh operating conditions.
Specification Summary & Compliance
This flat washer features precise inch-system dimensions: 0.281" inner diameter, 0.734" outer diameter, and thickness ranging 0.056-0.071" for 1/4" screw applications. Manufactured to ASME B18.21.1 specifications for dimensional accuracy and performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use worldwide.
