5310-00-680-9082 WASHER,FLAT Index 5305-00-680-9092 SCREW,MACHINE

National Stock Number:
5310-00-680-9083

Federal Supply Class:
5310

National Item Identification Number:
006809083

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:
4B1089C-0198296STANDARD MFG CO INC
Q8A1516-20WLU1GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY
Q8A1516-214170HUGHES MISSILE SYSTEMS CO SAN DIEGO
Q8A1516-263910BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
Q8A1516-27B709TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC
Q8D1516-20WLU1GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY
Q8D1516-214170HUGHES MISSILE SYSTEMS CO SAN DIEGO
Q8D1516-263910BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
Q8D1516-27B709TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,ALCLAD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.995 INCHES MINIMUM AND 1.020 INCHES MAXIMUM
THICKNESS0.032 INCHES NOMINAL


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