S-96371A201 0.25" ID x 0.5" OD Plastic Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resilience for reliable performance in environments ranging from -200°F to 400°F, preventing material failure under extreme conditions.
• Superior chemical resistance due to ePTFE plastic construction, ensuring longevity and integrity when exposed to harsh chemicals and solvents.
• Consistent sealing and load distribution with Durometer 40A hardness, providing optimal compression and vibration dampening for 1/4" screw assemblies.
• Precise dimensional fit with 0.25" ID and 0.5" OD, facilitating easy installation and secure fastening in inch-system applications.
• RoHS 3 compliance guarantees environmental safety and adherence to strict international regulations for hazardous substance restrictions.
• Durable and non-corrosive material offers extended service life without rust or degradation, reducing maintenance needs in industrial settings.
• Versatile thickness range (0.035-0.070") allows for customization to meet specific gap-filling and spacing requirements in various assemblies.

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these ePTFE plastic flat washers address critical challenges in high-temperature and chemically aggressive applications. The expanded PTFE material maintains structural integrity across a broad temperature range from -200°F to 400°F, eliminating concerns about thermal expansion or brittleness that plague conventional washers. This makes them ideal for chemical processing equipment, aerospace components, and automotive systems where thermal cycling and chemical exposure are common. Their excellent chemical resistance prevents degradation from oils, acids, and solvents, while the consistent Durometer 40A hardness ensures reliable load distribution and sealing capabilities. By specifying these RoHS 3 compliant washers, engineers can enhance assembly durability while meeting stringent regulatory requirements for hazardous substance control.

Specification Summary & Compliance

These flat washers feature precise inch-system dimensions with 0.25" ID and 0.5" OD, designed specifically for 1/4" screw sizes. The thickness ranges from 0.035" to 0.070" to accommodate various assembly requirements. Manufactured from ePTFE plastic with Durometer 40A hardness, they comply with RoHS 3 (2015/863/EU) standards for restricted hazardous substances, ensuring environmental safety and regulatory adherence in global markets.