5365-01-478-9280 SHIM Index 5310-01-478-9282 NUT,PLAIN,ROUND

National Stock Number:
5310-01-478-9281

Federal Supply Class:
5310

National Item Identification Number:
014789281

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:
8156257U209FLEXALLOY INC FASTENER SYSTEMS DIV
FXA/81562564678DAIMLER TRUCK NORTH AMERICA LLC
FXA81562364678DAIMLER TRUCK NORTH AMERICA LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEDEE
CENTER HOLE WIDTH1.937 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.531 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER2.750 INCHES NOMINAL
SPECIAL FEATURESON SURFACE 12 HOLES EQUALLY SPACED,DIA 0.343 IN. NOM.,CENTER OF HOLES LOCATED ON DIA 1.062 IN. NOM. FROM WASHER CENTER
THICKNESS0.250 INCHES NOMINAL


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