5310-01-090-5561 WASHER,FLAT Index 5310-01-090-5563 WASHER,FLAT

National Stock Number:
5310-01-090-5562

Federal Supply Class:
5310

National Item Identification Number:
010905562

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:
025060135-200150163GENICOM CORP


Techincal Specification:
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND
CHROMATE OVERALL
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER11.3 MILLIMETERS MINIMUM AND
11.5 MILLIMETERS MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.6 MILLIMETERS NOMINAL
HEAT TREATMENTCOLD ROLLED


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