National Item Identification Number

01-444-0522

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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15280

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23050

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PRODUCT COMPONENTS CORPORATION
825 ARNOLD DR 7
MARTINEZ
CA
94553
800-336-0406

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30003

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Reference Numbers (Part Numbers)

1874AS0620
1874AS0620
1874AS0620

Required Categories

MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S

Required Description

PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
0.060 INCHES MINIMUM AND
0.070 INC