Cushioning Washers

	System of Measurement System of Measurement

Inch

Metric

	ID ID

	OD OD

	For Screw Size For Screw Size

	Thickness Thickness

	Material Material

	Washer Type Washer Type


Flat	Raised Grid

Countersunk

	Color Color

	Black		Clear
	Gray		Tan
	White		Red
	Green		Off-White
	Blue

	Hardness Hardness

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Specifications Met Specifications Met

SAE

FDA Compliant

CSA

	Countersink Angle Countersink Angle

82°

90°

	Overall Height Overall Height

	Length Length

1/2"

5/8"

	Thread Size Thread Size

	Indented Grid Width Indented Grid Width

0.281"

0.375"

	Raised Grid Width Raised Grid Width

0.219"

0.625"

	Drive Style Drive Style

Hex

External Hex

	Head Type Head Type

Rounded

Hex

	CSA File Number CSA File Number

LL21312

LR21001

42186

	Number of Pieces Number of Pieces

151

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About Washers

Abrasion-Resistant Cushioning Washers

Made of durable material, these washers resist wear from rubbing and scraping surfaces. Includes SBR rubber and leather washers.

Moisture-Resistant Cushioning Washers

These polyurethane washers withstand wet conditions as well as sunlight, ozone, and some chemicals.

These wool felt washers can be soaked with oil to lubricate joints.

Chemical-Resistant Cushioning Washers

Made of Buna-N rubber, these washers offer excellent chemical, weather, and oil resistance. The raised grid pattern prevents sideways shifting.

Sealing Washers

Prevent fluids from leaking around fasteners.

Washers

Fastener Kits for Enclosures

Mount components to your enclosure without worrying about leaks—these kits seal out water from washdowns, rain, and snow when used with enclosures rated NEMA 4X.