4310-00-523-5526 PIN,PISTON Index 3130-00-523-5540 BEARING UNIT,PLAIN

National Stock Number:
5310-00-523-5528

Federal Supply Class:
5310

National Item Identification Number:
005235528

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:
8U8018-1260029WOODWARD HRT, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.512 INCHES MINIMUM AND 0.513 INCHES MAXIMUM
OVERALL DIAMETER0.684 INCHES MINIMUM AND 0.686 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-354 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.062 INCHES NOMINAL


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