S-92844A172 1.313" ID x 3" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel, ideal for harsh chemical and marine environments.
• Precise dimensional fit with a 1.313" ID and 3" OD ensures reliable performance for 1 1/4" screws.
• Enhanced load distribution due to the large outer diameter, reducing surface pressure and material stress.
• Compliance with ASME B18.21.1 standards guarantees consistent quality and interchangeability in industrial assemblies.
• RoHS 3 and REACH compliance ensures environmental safety and restricts hazardous substances for global supply chains.
• Durable construction with a thickness of 0.146-0.174" provides long-lasting service in demanding applications.
• Broad compatibility with inch-system fasteners, simplifying sourcing and installation in various industries.

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges, such as fastener failure in corrosive settings. Its high molybdenum content offers excellent chemical resistance, making it suitable for chemical processing, marine equipment, and offshore structures where saltwater exposure is a concern. The precise inch dimensions (1.313" ID x 3" OD) ensure a secure fit for 1 1/4" screws, preventing loosening under vibration and distributing loads effectively to protect surfaces. By meeting ASME B18.21.1 specifications, it provides reliability in heavy-duty assemblies, reducing maintenance costs and downtime in applications like machinery, pipelines, and structural frameworks.

Specification Summary & Compliance

This flat washer adheres to ASME B18.21.1 for dimensional accuracy and performance in inch measurements. It is manufactured from 316 stainless steel with an ID of 1.313", OD of 3", and thickness ranging from 0.146" to 0.174", ensuring precise fit for 1 1/4" screw sizes. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it meets stringent environmental and safety standards for industrial use.