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"

0.021" to 0.041"

0.023" to 0.028"

0.025" to 0.040"

Specifications Met

EPA Compliant 40 CFR 141

Federal Specification

NEBS GR-63-CORE

Certification

Passivation

Military Specification

Army-Navy Specification

Military Specification

DFARS Specialty Metals

Finish

Zinc Yellow-Chromate Plated

REACH

RoHS

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

High Temperature

Export Control Classification Number (ECCN)

Shape

Hardness

Rockwell C40 to Rockwell C50

Color

Overall Height

Certificate Type

Material Certificate with Traceable Lot Number

Tooth Location

Maximum Temperature

Less than 250° F

250° F to 299° F

500° F to 999° F

Environment

For Use With

How can we improve?

756 Products

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Meet U.S. military standards and are lightweight, nonconductive, and naturally rust resistant

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