S-93412A419 0.29" ID x 0.688" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance with a range from -10°F to 400°F, ensuring reliable sealing and insulation in extreme thermal environments.
• Superior chemical and fluid resistance due to Viton® Fluoroelastomer material, ideal for harsh industrial applications involving oils, fuels, and solvents.
• Optimal compression and durability with a Durometer 75A hardness, providing a secure, long-lasting seal without cracking or degrading under pressure.
• Precision dimensional fit with 0.688" OD and 0.29" ID, designed specifically for 5/16" screws to prevent loosening and ensure even load distribution.
• Compliance with stringent environmental standards, including RoHS 3 and REACH, guaranteeing safe, sustainable use in global industrial supply chains.
• Enhanced safety and reliability in critical assemblies, thanks to consistent thickness (0.052-0.072") and robust material properties.

Professional Applications & Engineering Value

This Viton® fluoroelastomer flat washer is engineered to address common industrial challenges such as seal failure under high heat and chemical exposure. Its fluoroelastomer rubber composition delivers outstanding resistance to aggressive fluids and temperatures up to 400°F, making it a top choice for automotive, aerospace, and chemical processing applications. The precise inch-system dimensions (0.688" OD x 0.29" ID) ensure a perfect fit for 5/16" screws, reducing vibration and leakage risks. By integrating this high-temperature washer, engineers achieve longer service life and reduced maintenance in demanding environments, enhancing overall system integrity and performance.

Specification Summary & Compliance

This flat washer adheres to precise dimensional tolerances with an ID of 0.29", OD of 0.688", and thickness ranging from 0.052" to 0.072", ensuring consistent performance for 5/16" screw sizes. It is manufactured from Viton® Fluoroelastomer Rubber with a hardness of Durometer 75A and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and high-reliability industrial use.