S-91525A419 0.812" ID x 2" OD ASME B18.21.1 Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Precise dimensional fit with 0.812" inner diameter and 2" outer diameter ensures reliable load distribution and secure fastening for 3/4" screws
• Enhanced durability and longevity from consistent thickness (0.122-0.177"), providing stable performance under mechanical stress
• Compliance with ASME B18.21.1 standards guarantees consistent quality, interchangeability, and reliability in industrial assemblies
• Environmental and safety compliance with RoHS 3 and REACH regulations, ensuring safe use in regulated industries
• Broad industrial applicability as an inch-system washer, simplifying sourcing and integration in North American and global projects
• Cost-effective maintenance reduction by resisting rust and degradation, lowering replacement frequency and downtime

Professional Applications & Engineering Value

Engineered for demanding settings, these 316 stainless steel flat washers excel in applications where moisture, chemicals, and salt exposure are prevalent, such as marine equipment, chemical processing plants, and coastal infrastructure. The high-corrosion-resistant material prevents fastener failure and galvanic corrosion, extending service life and reducing maintenance costs. With precise dimensions like the 0.812" ID and 2" OD, they provide optimal load distribution and vibration resistance for 3/4" screw assemblies, ensuring structural integrity in heavy-duty machinery, piping systems, and construction projects. By adhering to ASME B18.21.1 standards, these washers deliver consistent performance, making them a reliable choice for engineers and procurement specialists seeking durable, compliant components.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.812", outer diameter of 2", and thickness range of 0.122-0.177", designed for use with 3/4" screws in inch-system applications. It conforms to ASME B18.21.1 specifications for dimensional accuracy and performance. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety standards for hazardous substance restrictions.