Polycarbonate Shims | McMaster-Carr

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Polycarbonate Plastic

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Fabric-Reinforced Buna-
N Rubber

Polycarbonate Plastic

	System of Measurement System of Measurement

Inch

	Length Length

	Thickness Thickness

0.016" to 0.025"

0.027" to 0.037"

0.036" to 0.045"

	For Screw Size For Screw Size

	Color Color

	Clear

	ID ID

	OD OD

	Maximum Temperature Maximum Temperature

200° to 249° F

250° to 499° F

	Shape Shape

	Round

	Specifications Met Specifications Met

ASME

ASTM

FDA Compliant

	Hardness Hardness

Rockwell M70

Rockwell R75

	Washer Type Washer Type

	Flat

	Minimum Temperature Minimum Temperature

-49° to 0° F

Not Rated

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

DFARS Specialty Metals
COTS-Exempt

	Environment Environment

Food and Beverage

	Dielectric Strength Dielectric Strength

375 V/mil

	Tensile Strength Tensile Strength

Less than 10,000 psi

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About Washers

These plastic washers are good electrical insulators.

Polycarbonate washers are more rigid than most plastic washers for high impact resistance. They have good moisture resistance and withstand oil, greases, and detergents.

For technical drawings and 3-D models, click on a part number.

				Temperature Range, °F
For Screw Size	ID	OD	Thick.	Min.	Max.	Hardness	Specifications Met	Color	Pkg. Qty.		Pkg.
Polycarbonate Plastic
No. 0	0.078"	0.188"	0.016"-0.025"	Not Rated	212°	Rockwell M70	ASME B18.21.1	Clear	25	000000000	00000
No. 2	0.090"	0.250"	0.027"-0.037"	Not Rated	212°	Rockwell R75	__	Clear	100	000000000	00000
No. 4	0.115"	0.250"	0.027"-0.037"	Not Rated	212°	Rockwell R75	__	Clear	100	000000000	00000
No. 5	0.140"	0.312"	0.027"-0.037"	Not Rated	212°	Rockwell R75	__	Clear	100	000000000	00000
No. 5	0.141"	0.350"	0.036"-0.045"	Not Rated	212°	Rockwell M70	__	Clear	25	000000000	00000

Polycarbonate Unthreaded Spacers

Made of FDA-listed material, these clear, impact- and moisture-resistant spacers can be used in food and beverage applications.

For technical drawings and 3-D models, click on a part number.

3/8" OD
Lg.	For Screw Size	ID	Temperature Range, °F	Color	Specifications Met		Each
1/4"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
3/8"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
1/2"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
5/8"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
3/4"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
7/8"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
1"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 1/4"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 1/2"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 3/4"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
2"	No. 10	0.192"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1/2" OD
1/4"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
3/8"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
1/2"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
5/8"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
3/4"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
7/8"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
1"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 1/4"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 1/2"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 3/4"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
2"	1/4"	0.252"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
3/4" OD
1/4"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	0000
3/8"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1/2"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
5/8"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
3/4"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
7/8"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 1/4"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 1/2"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
1 3/4"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
2"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
2 1/4"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000
2 1/2"	3/8"	0.380"	-40° to 250°	Clear	ASTM D3935, FDA Compliant 21 CFR 177.1580	000000000	00000

About Washers

Plastic Washers

Polycarbonate Unthreaded Spacers