S-90443A160 12.1 mm ID x 25.5 mm OD FDA Compliant 21 CFR 177.2600; 3-A Certified 18-03; NSF/ANSI 51 Sanitary Bonded Sealing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh washdown and chemical exposure in food processing environments
• Reliable sealing performance with bonded EPDM rubber (Durometer 70A) that maintains flexibility and creates effective fluid barriers
• Extended temperature durability from -40°F to 300°F (-40°C to 149°C), ensuring consistent performance in both freezing and heated applications
• Regulatory compliance assurance with FDA 21 CFR 177.2600, 3-A 18-03, and NSF/ANSI 51 certifications for food contact safety
• Precise M12 compatibility with 12.1mm ID, 25.5mm OD, and 1.5mm thickness dimensions for accurate fit and optimal load distribution
• Environmental regulation compliance meeting RoHS 3 and REACH standards for global market acceptance and environmental responsibility
• Sanitary design excellence with metal-bonded construction that prevents bacterial entrapment and facilitates easy cleaning

Professional Applications & Engineering Value

This M12 metal bonded washer delivers critical engineering solutions for sanitary applications where contamination control is paramount. The 316 stainless steel base provides exceptional resistance to corrosive cleaning agents and food acids, while the EPDM rubber seal maintains elasticity across extreme temperature fluctuations from freezer to heated processing lines. Engineered specifically for food industry equipment, these washers prevent liquid ingress at fastener points, eliminating potential microbial harborage areas in food processing machinery, filling systems, and sanitary conveyors. The black EPDM sealing surface offers visible contrast for inspection while providing reliable compression recovery throughout equipment lifecycles.

Specification Summary & Compliance

Precision manufactured to metric dimensions (12.1mm ID × 25.5mm OD × 1.5mm thickness) for M12 fasteners. Certified to FDA 21 CFR 177.2600 for food contact, 3-A Standard 18-03 for sanitary equipment, and NSF/ANSI 51 for food equipment materials. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. The EPDM sealing element maintains performance across the specified temperature range of -40°F to 300°F (-40°C to 149°C).