5975-99-300-2051 PANEL,BLANK Index 5961-99-300-2175 SEMICONDUCTOR DEVICE,DIODE

National Stock Number:
5310-99-300-2174

Federal Supply Class:
5310

National Item Identification Number:
993002174

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:
10122448A486GNIMIKKEISTOKESKUS NCB FINLAND
20-281-1054-11K5294GE AVIATION SYSTEMS LIMITED
BS-4320K7766BRITISH STANDARDS INSTITUTION
BS-4320-1968K7766BRITISH STANDARDS INSTITUTION
BS4320K7766BRITISH STANDARDS INSTITUTION


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