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

Shape

Export Control Classification Number (ECCN)

Hardness

Rockwell C40 to Rockwell C50

Color

Overall Height

Tooth Location

Maximum Temperature

100° F to 249° F

250° F to 499° F

500° F to 999° F

Certificate Type

Material Certificate with Traceable Lot Number

Environment

Minimum Temperature

-99° F to -50° F

Greater than 0° F

How can we improve?

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