5310-00-184-8987 WASHER,FLAT Index 5310-00-184-8989 WASHER,LOCK

National Stock Number:
5310-00-184-8988

Federal Supply Class:
5310

National Item Identification Number:
001848988

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:
184898800000ORDNANCE CORPS
4197410-05805869RAYTHEON COMPANY
4197410-05882577RAYTHEON COMPANY
5310PL08481429009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
760263400000ORDNANCE CORPS
AN960D6L88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
G169-6T26512NORTHROP GRUMMAN SYSTEMS CORPORATION
NAS1149DN616H80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
OVERALL DIAMETER0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.016 INCHES NOMINAL


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