Product Details | FLAT WASHER

5310-00-579-5428 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.

Part Alternates: FFW92TYPEBGRADE1CLASSA, 5310-00-579-5428, 00-579-5428, 5310005795428, 005795428

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-579-5428

Drawings & Photos | NSN 5310-00-579-5428


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Technical Data | NSN 5310-00-579-5428

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 2 RECTANGULAR
LENGTH 2.000 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
WIDTH ACROSS FLATS 2.000 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.187 INCHES MINIMUM AND 0.218 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA B TYPE AND 1 GRADE AND A CLASS
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFW92TYPEBGRADE1CLASSA

Restrictions/Controls & Freight Information | NSN 5310-00-579-5428

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information