Approved Vendor

Sanitary Metal-Bonded Sealing Washer

Manufacturer part: 90443A140

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. 316 Stainless Steel and EPDM—These washers are highly resistant to tearing, scuffs, and scrapes. They are more economical than Fluoroprene Fluoroelastomer, however, they aren't as heat resistant.

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Technical data

Specifications

Normalized product attributes for faster comparison and sourcing.

ID
8.100 mm
OD
16.900 mm
ECCN
EAR99
Color
Black
Maximum
300° F
Minimum
-40° F
Hardness
Not Rated
Material
316 Stainless Steel/EPDM
Thickness
1.000 mm
Application
Sealing
Environment
Corrosive, Dusty, Food and Beverage, Outdoor, Sanitary, Wet
Fabrication
Bonded
Performance
High Temperature, Reusable, Super Corrosion Resistant, Weather Resistant
Washer Type
Flat
Seal Hardness
Durometer 70A
For Screw Size
M8
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, NSF/ANSI 51

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