5310-01-165-2477 NUT,SLEEVE Index 5310-01-165-2479 WASHER,FLAT

National Stock Number:
5310-01-165-2478

Federal Supply Class:
5310

National Item Identification Number:
011652478

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:
BACW10AW106AST81205THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.411 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
OVERALL DIAMETER0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM


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