S-90133A611 3.2 mm ID x 7 mm OD FDA Compliant 21 CFR 177.2600 Rubber Sealing Washers

Key Features & Benefits at a Glance

• Food-Safe Material Compliance: Made from FDA-compliant neoprene rubber, ensuring safe use in food processing environments without contamination risks.
• Optimal Sealing Performance: Durometer 55A hardness provides excellent flexibility and compression recovery for reliable sealing against leaks and vibrations.
• Wide Temperature Resilience: Withstands extreme conditions from -30°F to 220°F, maintaining integrity in both freezing and heated industrial settings.
• Precise Metric Sizing: Designed with 3.2mm ID and 7mm OD for perfect fit with M3 screws, ensuring easy installation and uniform pressure distribution.
• Environmental & Regulatory Safety: Complies with RoHS 3 and REACH standards, supporting sustainable and hazardous substance-free operations.
• Durable Construction: Neoprene material offers resistance to oils, moisture, and wear, extending service life in demanding applications.
• Non-Marring White Color: Visibly clean and non-staining, ideal for maintaining hygiene standards in food industry equipment.

Professional Applications & Engineering Value

These M3 neoprene rubber flat washers are engineered to address critical sealing challenges in the food industry, where equipment must resist frequent washdowns, temperature fluctuations, and strict hygiene regulations. The FDA-compliant neoprene material ensures no chemical leaching, while the 55A Durometer hardness balances softness for effective gasketing and firmness to prevent over-compression. Ideal for sealing joints in mixers, conveyors, and packaging machinery, these metric flat washers provide a reliable barrier against leaks and contaminants, enhancing operational safety and reducing maintenance downtime. Their white color aids in visual cleanliness checks, aligning with food-grade standards.

Specification Summary & Compliance

This washer features precise dimensions with an inner diameter of 3.2 mm, outer diameter of 7 mm, and thickness ranging from 1.168 mm to 1.981 mm, tailored for M3 screw sizes in metric systems. It conforms to FDA standards under 21 CFR 177.2600 for food contact, along with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and health safety. The product is rated for temperatures from -30°F to 220°F, supporting consistent performance in varied industrial environments.