5310-01-434-3788 WASHER,FLAT Index 5310-01-434-3790 WASHER,FLAT

National Stock Number:
5310-01-434-3789

Federal Supply Class:
5310

National Item Identification Number:
014343789

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:
10122324A486GNIMIKKEISTOKESKUS NCB FINLAND
5310PL16200639009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149D0516H80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1149D0516HZ03F0BOEING DEFENCE AUSTRALIA LTD
NAS1149D0516HZ8T75BOEING DEFENCE AUSTRALIA LTD


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 AND
ALUMINUM ALLOY 1230 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.323 INCHES MINIMUM AND
0.328 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.557 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.013 INCHES MINIMUM AND
0.019 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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