National Item Identification Number

00-367-4655

National Stock Number

Item Name

WASHER,FLAT

Federal Supply Class

5310

Description

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Commercial and Government Entity Code (Supplier Data)

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95201

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NAPCO INTERNATIONAL LLC
11055 EXCELSIOR BLVD
HOPKINS
MN
55343
952-931-2490

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79150

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DANA CORP
VICTOR PRODUCTS DIV
1945 OHIO ST
LISLE
IL
60532
630-271-0001

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0B0B1

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CLEVITE ENGINE PARTS INC
DIV OF DANA CORP
1350 EISENHOWER PL
ANN ARBOR
MI
48108
734-975-4777

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Reference Numbers (Part Numbers)

U3345
1A4039
19060
480

Required Categories

MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S

Required Description

COPPER OVERALL
0.391 INCHES NOMINAL
1 ROUND
0.562 INCHES NOMINAL
1 ROUND
1