S-99186A122 0.29" ID x 0.562" OD FDA Compliant 21 CFR 177.2600 Rubber Sealing Washers

Key Features & Benefits at a Glance

• Food-Safe Compliance: FDA 21 CFR 177.2600 compliant material ensures safe, non-contaminating use in food processing and packaging equipment.
• Broad Temperature Resilience: Maintains seal integrity and flexibility across extreme temperatures from -50°F to 300°F, preventing leaks in fluctuating environments.
• Consistent Compression & Durability: Durometer 60A hardness provides optimal cushioning and vibration damping, extending the lifespan of fastened assemblies.
• Precision Fit for 5/16" Screws: 0.29" ID and 0.562" OD ensure a secure, centered fit, reducing installation errors and improving seal effectiveness.
• Environmental & Regulatory Assurance: RoHS 3 and REACH compliance guarantees the washer is free from hazardous substances, supporting global supply chain requirements.
• Versatile Thickness Tolerance: 0.047-0.077" thickness range accommodates minor surface variations, ensuring reliable gasketing and load distribution.
• White EPDM Material: Resists moisture, oxidation, and common cleaning agents, ideal for hygienic, visually inspected food industry applications.

Professional Applications & Engineering Value

These EPDM rubber flat washers are engineered to address critical sealing challenges in the food industry, where equipment is frequently exposed to steam, cleaning chemicals, and temperature swings. The FDA compliant EPDM material prevents degradation and contamination, ensuring long-term hygiene in food processing machinery, bottling lines, and commercial kitchen equipment. With a Durometer 60A hardness, the washer offers superior compression recovery, reducing the risk of loosening under vibration and thermal cycling. The white color allows for easy visual inspection for wear or contamination, while the precise 5/16" screw size compatibility ensures quick, error-free installation. This combination of material properties and dimensional accuracy delivers reliable performance in gasketing, spacing, and load distribution applications, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This flat washer conforms to inch system dimensions with an ID of 0.29", OD of 0.562", and thickness range of 0.047-0.077", designed specifically for 5/16" screw sizes. It meets FDA 21 CFR 177.2600 for food contact applications, RoHS 3 (2015/863/EU) for restricted substance control, and REACH (EC 1907/2006) compliance as of January 17, 2023. The EPDM rubber material ensures consistent performance within the specified temperature range of -50°F to 300°F, supporting use in regulated and demanding environments.