S-99082A220 0.312" ID x 0.563" OD FDA Compliant 21 CFR 177.2600 Rubber Sealing Washers

Key Features & Benefits at a Glance

• FDA-compliant food-grade safety ensures suitability for direct contact in food processing environments without contamination risks.
• Excellent temperature resilience from -20°F to 175°F maintains sealing integrity and flexibility in fluctuating industrial conditions.
• Durometer 60A hardness provides optimal compression and vibration damping for secure, long-lasting fastening.
• Precise 5/16" inner diameter fit guarantees easy installation and reliable performance with standard screw sizes.
• RoHS 3 and REACH compliance confirms adherence to strict environmental and health regulations for global supply chain compatibility.
• Buna-N rubber construction offers superior resistance to oils, water, and wear, extending service life in demanding applications.
• Consistent dimensional accuracy with 0.312" ID and 0.563" OD ensures uniform sealing pressure and leak prevention.

Professional Applications & Engineering Value

Engineered for the food industry, this Buna-N rubber flat washer addresses critical needs for hygiene, durability, and chemical resistance. Its FDA-compliant material, certified under 21 CFR 177.2600, prevents microbial growth and withstands frequent washdowns, making it ideal for food processing equipment, packaging machinery, and conveyor systems. The white color allows for easy visual inspection for cleanliness, while the temperature range from -20°F to 175°F ensures reliable performance in both freezing storage and hot sterilization environments. With excellent sealing capabilities, it effectively prevents fluid leakage and reduces noise and vibration in 5/16" screw assemblies, enhancing operational safety and minimizing maintenance downtime.

Specification Summary & Compliance

This washer meets inch system dimensions with an ID of 0.312", OD of 0.563", and thickness range of 0.046-0.078", designed for 5/16" screw sizes. It conforms to FDA 21 CFR 177.2600 for food contact, RoHS 3 (2015/863/EU) for hazardous substance restriction, and REACH (EC 1907/2006) for chemical safety, ensuring full regulatory adherence. The Durometer 60A hardness provides consistent mechanical properties, supporting precise fit and long-term reliability in industrial applications.