5310-00-186-4136 WASHER,FLAT Index 5310-00-186-4138 WASHER,FLAT

National Stock Number:
5310-00-186-4137

Federal Supply Class:
5310

National Item Identification Number:
001864137

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
2100-935083ALT1PC2180064NAVAL SHIP SYSTEMS COMMAND
2100-935084ALT2PC2380064NAVAL SHIP SYSTEMS COMMAND
298S906840BENDIX CORP THE
298S955284HONEYWELL INTERNATIONAL INC.
AN6246-988044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.445 INCHES NOMINAL
OVERALL DIAMETER0.625 INCHES NOMINAL
MATERIALLEATHER OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.062 INCHES NOMINAL


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