Approved Vendor

Silicone Rubber Sealing Washer

Manufacturer part: 99604A220

Prevent leaks while distributing weight evenly under nuts and screws. These washers compress as you tighten to keep air and fluid in, and dust and contaminants out. Use them anywhere you need a tight seal, such as protecting electronics from moisture or keeping lubricants contained in machinery.Rubber—Resist leaks better than metal sealing washers, but are more susceptible to wear and tear. Reuse these washers a handful of times, as long as the material isn't damaged. High-Temperature Silicone—Withstand the widest temperature range of all our rubber washers. They resist detergents but will break down when exposed to oil, grease, and fuel.

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Technical data

Specifications

Normalized product attributes for faster comparison and sourcing.

ID
0.120"
OD
0.312"
ECCN
EAR99
Color
Red
Maximum
450° F
Minimum
-80° F
Hardness
Durometer 60A
Material
Silicone Rubber
Thickness
0.021" to 0.041"
Application
Sealing
Environment
Dusty, Food and Beverage, Outdoor, Wet
Performance
High Temperature, Reusable, Weather Resistant
Washer Type
Flat
Construction
One Piece
For Screw Size
No. 4
RoHS Compliance
RoHS 3 (2015/863/EU) Compliant
DFARS Compliance
Specialty Metals COTS-Exempt
REACH Compliance
REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant
USMCA Qualifying
No
Country of Origin
United States
Schedule B Number
401693.0000
System of Measurement
Inch
Food Industry Standard
FDA Compliant 21 CFR 177.2600

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