NAS Washers | McMaster-Carr

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System of Measurement

Screw Size

Material

Phosphor Bronze

Stainless Steel

OD

Washer Type

ID

Thickness

0.010" to 0.015"

0.011" to 0.021"

0.013" to 0.019"

0.014" to 0.018"

0.015" to 0.017"

0.015" to 0.018"

0.015" to 0.019"

0.016" to 0.025"

0.017" to 0.021"

0.017" to 0.023"

0.017" to 0.028"

0.018" to 0.022"

0.018" to 0.023"

0.019" to 0.021"

0.020" to 0.025"

Specifications Met

EPA Compliant 40 CFR 141

Federal Specification

NEBS GR-63-CORE

Military Specification

Army-Navy Specification

Military Specification

Finish

Zinc Yellow-Chromate Plated

Certification

Passivation

DFARS Specialty Metals

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

High Temperature

RoHS

Shape

REACH

Color

Overall Height

Export Control Classification Number (ECCN)

Hardness

Rockwell C40 to Rockwell C50

Maximum Temperature

Less than 250° F

250° F to 299° F

500° F to 999° F

Tooth Location

Minimum Temperature

-99° F to -50° F

-49° F to 0° F

Hole Diameter

For Material Thickness

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756 Products

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