NAS Washers | McMaster-Carr

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System of Measurement

Screw Size

Material

Phosphor Bronze

Stainless Steel

OD

ID

Washer Type

Thickness

0.010" to 0.015"

0.011" to 0.021"

0.013" to 0.019"

0.014" to 0.018"

0.014" to 0.021"

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"

Specifications Met

Military Specification

Army-Navy Specification

Federal Specification

Military Specification

Certification

Finish

Zinc Yellow-Chromate Plated

Passivation

DFARS Specialty Metals

Certificate Type

Material Certificate with Traceable Lot Number

Performance

Chemical Resistant

Corrosion Resistant

Electrical Insulating

High Temperature

REACH

RoHS

Shape

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Hardness

Rockwell C40 to Rockwell C50

Export Control Classification Number (ECCN)

Color

Overall Height

Tooth Location

Maximum Temperature

Less than 250° F

250° F to 299° F

500° F to 999° F

For Use With

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Washers

Mil. Spec. Washers

Mil. Spec. Washers

Adhere to U.S. military standards for material and construction

Mil. Spec. Plastic Washers

Mil. Spec. Plastic Washers

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

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)