5310-01-286-8002 WASHER,FLAT Index 5310-01-286-8004 WASHER,FLAT

National Stock Number:
5310-01-286-8003

Federal Supply Class:
5310

National Item Identification Number:
012868003

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:
DIN125A-M10-TP200-A4C15526METRIC AND MULTISTANDARD COMPONENTS CORP
DIN125A-M10-TP200-A4CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING200.0 BRINELL NOMINAL
HOLE DIAMETER10.5 MILLIMETERS NOMINAL
OVERALL DIAMETER21.0 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTZINC OVERALL
THICKNESS1.8 MILLIMETERS MINIMUM AND 2.2 MILLIMETERS MAXIMUM


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