Approved Vendor

Sanitary Metal-Bonded Sealing Washer

Manufacturer part: 90443A230

Eliminate nooks and crannies under the nut or screw head where dirt and bacteria could collect. Unlike other bonded washers, the metal ring nests inside the rubber layer, creating a smooth outer surface that's easy to clean. These washers stand up to harsh cleaners and detergents and won't corrode from frequent washdowns. They're commonly found on equipment in food and pharmaceutical processing plants to prevent leaks and block out contaminants. Reuse them a handful of times, as long as the material isn't damaged. Chemical-Resistant 316 Stainless Steel and Fluoroprene Fluoroelastomer—These washers withstand higher temperatures than EPDM, so you can sterilize them with steam. They also resist more chemicals, such as oil, solvents, and acids.

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Technical data

Specifications

Normalized product attributes for faster comparison and sourcing.

ID
10.100 mm
OD
21.200 mm
ECCN
EAR99
Color
Blue
Maximum
390° F
Minimum
5° F
Hardness
Not Rated
Material
316 Stainless Steel/Fluoroprene Fluoroelastomer
Thickness
1.500 mm
Application
Sealing
Environment
Corrosive, Dusty, Food and Beverage, Oily, Outdoor, Sanitary, Wet
Fabrication
Bonded
Performance
Chemical Resistant, High Temperature, Oil Resistant, Reusable, Super Corrosion Resistant, Weather Resistant
Washer Type
Flat
Seal Hardness
Durometer 75A
For Screw Size
M10
RoHS Compliance
RoHS 3 (2015/863/EU) Compliant
DFARS Compliance
Specialty Metals Compliant (252.225-7009)
REACH Compliance
REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant
USMCA Qualifying
No
Country of Origin
Germany
Schedule B Number
731822.0000
System of Measurement
Metric
Food Industry Standard
3-A Certified 18-03, FDA Compliant 21 CFR 177.2600

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