National Item Identification Number

01-120-1445

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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05606

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GENERAL DYNAMICS ARMAMENT AND
TECHNICAL PRODUCTS INC.
128 LAKESIDE AVE
BURLINGTON
VT
05401
802-657-6109

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8N777

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SUPREME SCREW PRODUCTS INC
DBA COMPONENT PARTS
1368 CROMWELL AVE
BRONX
NY
10452
718-293-6600

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Reference Numbers (Part Numbers)

196B8310
196B8310

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE

Required Description

COPPER ALLOY 170 OR
COPPER ALLOY 172 OVERALL
QQ-C-533,TEMPER 1/4 H FED SPEC AL