5310-01-352-9563 WASHER,FLAT Index 5310-01-352-9565 WASHER,FLAT

National Stock Number:
5310-01-352-9564

Federal Supply Class:
5310

National Item Identification Number:
013529564

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:
10122230A486GNIMIKKEISTOKESKUS NCB FINLAND
5310PL07306599009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149D0463K10630ANILLO INDUSTRIES INC
NAS1149D0463K80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1149D0463KA0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
OVERALL DIAMETER0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM


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