S-92844A159 0.812" ID x 2.5" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance for long-lasting performance in harsh environments like marine and chemical processing
• Excellent durability provided by 316 stainless steel, resisting pitting and crevice corrosion
• Precise dimensional fit with 0.812" ID designed specifically for 3/4" screws, ensuring secure fastening
• Optimal load distribution from the large 2.5" OD, reducing surface pressure and preventing material damage
• Reliable quality assurance through ASME B18.21.1 certification, guaranteeing consistent performance
• Environmental compliance with RoHS 3 and REACH standards, safe for regulated industrial applications
• Versatile thickness range (0.146-0.174") accommodates various assembly requirements and compression needs

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver exceptional engineering value by addressing critical corrosion challenges in demanding environments. The marine-grade composition with enhanced molybdenum content provides superior resistance to saltwater, chemicals, and extreme temperatures, making them ideal for marine equipment, chemical processing plants, and offshore installations. The precise inch-system dimensions (0.812" ID x 2.5" OD) ensure perfect compatibility with 3/4" screw applications, while the generous outer diameter distributes clamping forces effectively, preventing surface damage to connected materials. This combination of corrosion-resistant properties and dimensional accuracy solves common industrial pain points including fastener degradation, joint failure, and maintenance downtime in aggressive operating conditions.

Specification Summary & Compliance

This flat washer maintains precise dimensional tolerances with inner diameter of 0.812", outer diameter of 2.5", and thickness ranging 0.146-0.174" for consistent performance. Manufactured to ASME B18.21.1 specifications, these washers ensure reliable quality and interchangeability. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (including 233 SVHCs as of 01/17/2023), meeting stringent environmental regulations for industrial and international markets.