5310-00-297-7304 WASHER,FLAT Index 5330-00-297-7311 GASKET

National Stock Number:
5310-00-297-7306

Federal Supply Class:
5310

National Item Identification Number:
002977306

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:
7874555P1024446GENERAL ELECTRIC COMPANY
7874555P1094271LOCKHEED MARTIN CORP
915542318876U S ARMY AVIATION AND MISSILE COMMAND
7874555PT1024446GENERAL ELECTRIC COMPANY
7874555PT1024454GENERAL ELECTRIC CO ELECTRONIC COMPONENTS DIVISION OF ELECTRONIC ATOMIC AND DEFENSE SYSTEMS GROUP
WA1550-1080249BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.156 INCHES NOMINAL
MATERIAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.500 INCHES NOMINAL
THICKNESS0.035 INCHES NOMINAL


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