5330-00-226-3451 PACKING WITH RETAINER Index 5305-00-226-3463 SCREW,CAP,SOCKET HEAD

National Stock Number:
5310-00-226-3458

Federal Supply Class:
5310

National Item Identification Number:
002263458

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:
761-5814-00213499ROCKWELL COLLINS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.516 INCHES NOMINAL
OVERALL DIAMETER1.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 TEMPER 1/4 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER AND BERYLLIUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH16.0 MICROINCHES BOTTOM
SURFACE FINISH16.0 MICROINCHES TOP
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM


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